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Muhammad Iqbal Ramadhan; Fathurrahman Fathurrahman; Muhammad Taura Zilhazem; Abdul Ganif Herlambang; Wismanto Wismanto

Jurnal Budi Pekerti Agama Islam 2024 Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

Of the many students today, many of them have forgotten their obligations as God's creatures. If left unchecked, it is feared that negative things will arise for students. So it is very important to instill the values of moral education in every student. This research was made with the aim of knowing the implementation of morals to the Creator in the daily lives of students. The method used in this research is a qualitative descriptive approach, which is in the form of a questionnaire and literature study. The subjects in this research were 30 active students in semesters 1-8 at public and private universities. Etymologically, morality means character, character, and behavior. What is meant by morality to God is the act that should be done by God's servant (His creatures) to the Creator. It can be said that morality towards Allah is when one acknowledges and realizes that there is no God except Allah SWT. (Noble) moral behavior towards Allah, namely faith, piety, sincerity, gratitude, repentance, dhikr, prayer and trust. As God's creatures who are so weak and powerless, we as students are encouraged to be moral (noble) to God. From the results of the questionnaire it can be concluded that the majority of students have implemented ethical behavior towards Allah in their lives.

Diva Threcia Purba; Eben Haezarni Telaumbanua; Aprinaldi P Simarangkir

Jurnal Teologi Injili dan Pendidikan Agama 2024 Sekolah Tinggi Pastoral Kateketik Santo Fransiskus Assisi

The aim of this research is to find out good and correct vocal techniques for body posture, breathing, articulation, phrasering when singing in a choir. In this research, researchers used qualitative research methods using observation, interviews and documentation. This research was carried out by collecting information through field research to obtain results which were processed into accurate data. The research process carried out as data collection is: photos, videos and interviews. The results of this research show that the process of implementing vocal technique training in singing the song Sing Alleluia Clap Your Hands is training in body posture, breathing, articulation and phrasing. By singing the song Sing Alleluia Clap Your Hands sung acapella. In the score, this song is performed with full energy and an allegretto tempo (rather fast) with a 4/4 beat and combined with handclaps. From all the observations and methods that the author has used in conducting research, the vocal techniques of body posture, breathing, articulation and phrasing in singing the song Sing Alleluia Clap Your Hands are very important. To obtain good and correct vocal techniques, several steps must be taken to master good posture, breathing, articulation and phrasing techniques, namely: practicing breathing before singing, positioning the body in a good and correct posture, using diaphragmatic breathing. to produce a more powerful voice and understand where the breath is divided in the score, pay attention to the pronunciation of each word well, understand the meaning of the song by breaking up sentences correctly.    

Yusuf Wahyu Setiya Putra; Kanafi Kanafi; Fatkhurrochman Fatkhurrochman

International Journal of Engineering and Applied Science 2024 International Forum of Researchers and Lecturers

This study explores the use of graphene-based nanofluids in enhancing the performance of solar-powered desalination systems. A laboratory-scale desalination system was developed to simulate the evaporation process, powered by solar energy, with the integration of graphene-based nanofluids to improve thermal efficiency. The experimental setup measured evaporation rates, energy consumption, and temperature profiles under varying solar radiation conditions (400–800 W/m²). Results revealed that the system with nanofluids demonstrated up to a 35% increase in evaporation rates compared to the baseline system without nanofluids, indicating enhanced heat transfer properties. Moreover, energy consumption was reduced by up to 20%, highlighting the improved energy efficiency of the system with nanofluids. The system with nanofluids exhibited higher temperatures in the evaporator, confirming more effective thermal utilization. Statistical analyses, including t-tests and regression analysis, confirmed the significant impact of nanofluids on both evaporation rates and energy consumption. This study demonstrates that graphene-based nanofluids offer a sustainable and energy-efficient solution for solar-powered desalination, particularly in areas with abundant solar radiation. The integration of nanofluids not only enhances the efficiency of the desalination process but also reduces operational costs, making it a promising alternative for addressing water scarcity in a sustainable manner. Further research is needed to optimize nanofluid formulations and assess their long-term feasibility for large-scale applications.

Maria Atik Sunarti Ekowati; Sri Wening; Kristyana Dananti

JURNAL PENGABDIAN MASYARAKAT AKADEMISI (JPMA), 2024 CV. ALIM'SPUBLISHING

Advances in science and technology have an impact on the state's demands that the success of the education system be anticipated by encouraging the state to progress more quickly. Formal and non-formal education is used to assist teachers in achieving the level of mastery of the science and technology taught to students. The implementation of the Tri Darma of Higher Education, one of which is community service, with the theme: Basic Training on Using Microsoft Powerpoint for Teachers at Kadilangu Baki Sukoharjo Elementary School aims to provide mastery of Power Point for teachers so that it can be transformed into students in providing learning by making interesting presentations. After the PowerPoint training, the participants experienced an increase in understanding, because previously they did not understand PowerPoint tools, how to insert text, images, sound and video and set effects and backgrounds with PowerPoint, but now it has increased above 65%.

Riswan Eko Wahyu Susanto; Hiding Cahyono; Ahmad Dzulfikri Halimi; Aditya Sandy Pratama; Moch. Fiky Frediansyah

Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer 2024 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Community Small and Medium Enterprises (MSMEs) have an important role in advancing the Indonesian economy. One of them is MSME UD. NATURAL FOOD which operates in the field of processing various types of onions. After observations, there are deficiencies in the onion chopping machines currently in use which cannot produce premium grade processed onions. The solution to this problem is to create a Transmission Design and Premium Horizontal Shallot Chopper Blade with an Output Capacity of 15 Kg Per Hour. It is hoped that this tool can help produce quality fried shallots. The method used in design is a design method that begins with observation and literature study, then continues with the planning stage including (planning the transmission system and chopper system). The results obtained in designing this machine show the size of the machine with dimensions of 70 cm wide, 145 cm long, 89 cm high, using 3 mm thick angle iron as part of the frame. And the results of the calculation of the load on the hopper is 231.4 N, the load on the transmission is 138.84 N, the load on the electric motor is 112.14 N. The heaviest load on the frame is on the hooper, amounting to 231.4 N. From the results of the data above it will then be Loading simulations were carried out, the results obtained were stress analysis (yield strength) of 25,000N, maximum displacement analysis on the frame of 5.287mm, and factor of safety analysis on the frame of 5.5. 4 then the frame is declared safe . And it has been designed and made safe to use, because no damage occurs to the frame when the machine is operated. Based on the design results of the transmission and premium horizontal premium  onion chopper blade with an output capacity of 15 kg per hour, the engine torque (T) is 545,04 Nm. The engine power requirement is 1,566 kW. The pulley ratio on the machine is (1:10). Pulley diameter 3.8. The shaft diameter is 19 mm and the resulting chopping capacity is 17,4 m^2/hour.

Wiwid Wahyudi; Idha Yunianto

Saturnus: Jurnal Teknologi dan Sistem Informasi 2024 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

A study was conducted to identify the relationship between height and weight. A researcher claimed that on average, when height increases, weight increases. This is called the Benn parameter. Weight can be adjusted for height using the Benn parameter (kg/mB), where B is the power that minimizes the correlation with height. To investigate how the Benn parameter changes across age and differs between genders. Using linear regression. Multilevel modeling was used to develop a history showing how Benn's parameters change with age from childhood through mid-adulthood and into older age. The data used information from a sample of 40 adults and 40 children under five. Height was measured in centimeters, weight was measured in kilograms. At alpha equal to 0.05 (α=0.05), the hypothesis is that there is a relationship between height and weight. This is the data, which is height and weight. And here is the hypothesis.  (Hnull) there is no relationship between height and weight, ρ equals 0. And ,, there is a relationship between height and weight, ρ does not equal 0. And we test to claim that .

Nurfadila MY; Suarlin Suarlin; Ali Refaat Ahmed Elsayed

International Journal of Education and Social Sciences 2024 International Forum of Researchers and Lecturers

This study investigates the impact of gamified learning platforms on the development of critical thinking and problem-solving skills among middle school students. With the increasing reliance on digital tools, fostering these essential skills has become a critical educational goal. Traditional teaching methods often fail to engage students effectively, which has led educators to explore innovative approaches such as gamified learning. The experimental design of this study involved two groups: an experimental group using gamified learning platforms and a control group following conventional teaching methods. Data were collected through pre-tests and post-tests measuring students' critical thinking and problem-solving abilities. Results indicated that the experimental group showed a significant improvement in both skills, with a 20-point increase in their scores, while the control group exhibited minimal progress. The findings highlight that gamified learning, which integrates game mechanics such as points, rewards, and leaderboards, enhances engagement and motivation, leading to improved cognitive skills. This study emphasizes the potential of gamification to revolutionize educational practices, suggesting that its integration can be a powerful tool to equip students with the necessary skills for the future.

Sujono Sujono; Moh. Anshori Aris Widya; Zakiah Nur Cahya Putri

Modem : Jurnal Informatika dan Sains Teknologi 2024 Asosiasi Profesi Telekomunikasi Dan Informatika Indonesia

In the digital age, public road lighting (PJU) monitoring efficiency is becoming essential for effective infrastructure management. The research developed a PJU monitoring system based on LoRa technology and an Arduino microcontroller to monitor the operating conditions of PJU solar panels in real time. The system uses the LoRa 433 MHz module for remote data communication and is equipped with a voltage sensor to monitor batteries and solar panels as well as an ACS712 current sensor to measure current consumption on LED lights. The data is displayed on an I2C 16x2 LCD screen, making monitoring easy. LoRa technology offers the advantages of broad communication range and low power consumption. The development method used is prototyping, including needs analysis, system design, implementation, testing, and maintenance. Test results show that the system works well, with sensors providing adequate accuracy and LoRa communication enabling remote data access. The system improves the efficiency and accuracy of PJU monitoring, as well as reduces time and effort in the monitoring process. Overall, the system is an effective solution for PJU management in the digital age.

Irwansyah Irwansyah

IJLS (International Journal of Law and Society) 2024 Asosiasi Penelitian dan Pengajar Ilmu Hukum Indonesia

Negative ambition, thirst for power, which gives birth to fraud in constitutional politics, greed will tend to give birth to authoritarian government, which also facilitates uncontrolled corrupt behavior in all levels of the government system, the result is that corruption becomes a system that is difficult to judge effectively. right in front of the judiciary. The state's ideals which are the legal basis in the Proclamation are only historical, the State's goals as stated in Paragraph IV appear to be subject to multiple interpretations with negative ambitions and a monopoly in the control of natural resources by certain groups. The Constitutional Court has become a bone of contention. because it is considered the last bull of the constitution. The various systems and regulations as the basic foundation in the 1945 Constitution are the reason that it is no longer appropriate to the situation and must be repeatedly amended. The recruitment of State Rulers through the ELECTION system once every five years continues to be changed in a direction that is increasingly widening and even eliminating the true meaning of the goals of a State which is based on the Blessing of God. Almighty. Our constitutional history, which is quite long since the birth of the 1945 Constitution, will continue to be corrected for reasons of adjusting interests. In fact, the state is a tool to achieve the goals of the nation that agreed to form the state with the aim of protecting and ensuring the welfare of the people of that nation. The principles and foundations of the State have been established as the foundation in a state order, but our constitutional problems can only be resolved by changing the law and very minimally changing the concept of human thinking in that Pancasila has become the philosophy and goal of national life. The next question will be whether the Amendment to the 1945 Constitution will continue. carried out to adjust the circumstances of the desires or interests of the State authorities. Conflicts of interest in our state structure must return to the order of religious values ​​in religion which in Islamic psychology is known as Maqashidus syari'ah jurisprudence.

Yasrida Nadeak; Ariska Fauzianty; Polma Ria Panjaita; Nova Issabella Mariance Br Napitupulu; Nail Kamila

ARDHI : Jurnal Pengabdian Dalam Negri 2024 Asosiasi Riset Pendidikan Agama dan Filsafat Indonesia

In the health life of a woman there are several complaints of disease, one of the complaints that is very disturbing is fluor albus (leucorrhoea). The purpose of this outreach activity is to make young women understand the causes and treatment of vaginal discharge. This activity was carried out at the Bangun Rejo village,Deli Serdang District. This activity begins by asking questions about the knowledge of pregnant women about vaginal discharge. Followed by giving material using power point. The result of this activity is that there is an increase in pregnant women knowledge about vaginal discharge by 60%. This activity is the first step to improve reproductive health, especially for pregnant women who will one day give birth to the next generation of this nation.

Puput Mulyono; Annie Rahmatillah; Libin joseph

Journal of Health Sciences, Nursing and Nutrition 2024 International Forum of Researchers and Lecturers

The growing environmental crisis underscores the need for education systems to foster ecological responsibility among students. This study explores the potential for multifaith schools to cultivate environmental moral education through an interreligious pedagogical model. By integrating diverse religious teachings on ecology, the proposed model aims to promote shared moral values for environmental protection and sustainability. The research addresses the gap in existing environmental education, which often lacks an integrated approach that incorporates various religious perspectives. Through a qualitative research design, the study analyzes curricula, observes classroom practices, conducts interviews with educators, and evaluates existing environmental education frameworks in multifaith schools. The study identifies key strategies, including the incorporation of eco-ethics from different religious traditions, project-based learning, and interfaith dialogues, as effective means of fostering ecological responsibility. However, challenges such as balancing doctrinal differences, overcoming biases, and developing inclusive pedagogy remain. The study emphasizes the importance of designing educational content that respects all faiths and promotes intercultural dialogue, thereby encouraging a collective commitment to sustainability. The findings suggest that multifaith schools can serve as powerful platforms for environmental moral education, highlighting the value of integrating religious perspectives into sustainability education. The study concludes with recommendations for incorporating interreligious eco-ethics into curricula and teacher training programs and suggests future research on the long-term impact of interreligious environmental education and its applicability in diverse cultural contexts.

Halawa, Yuslina; Ahalapada, Apia; Illu, Jonidius

jurnal Riset Rumpun Agama dan Filsafat 2024 Pusat Riset dan Inovasi Nasional

This study aims to explore the dynamics of leadership regeneration in an ecclesiastical context with an emphasis on three main aspects: the urgency of leadership renewal, the escalation of conflict within the synod, and the contribution of cross-generational participation in the leadership structure. The approach used in this research is descriptive qualitative, which focuses on in-depth understanding of existing phenomena. Regeneration of ecclesiastical leadership is becoming an increasingly urgent issue in the midst of rapid social change, transformation of service orientation, and the declining level of involvement of the younger generation in church organizational structures. In the absence of a structured and sustainable regeneration system, the dominance of certain age groups in leadership may hinder the renewal of the church's vision and the transfer of relevant ministry values. Therefore, leadership regeneration should be viewed as a transformative and contextual structural reform, which aims to respond to the challenges of the times and prepare a more inclusive and adaptive future leadership. Conflicts in church synods are often triggered by the tension between the application of normative church ordinances and the complexity of interpersonal relationships shaped by the history and internal dynamics of the church. Rigid application of ecclesiastical regulations without considering the social context can trigger deliberative dysfunction and polarization, which hinders inclusive decision-making. In this case, managerial skills in managing conflict through dialogic, empathic, and reconciliatory approaches are needed to maintain the cohesion and legitimacy of the synod, so that decisions can reflect the needs and aspirations of the people. Cross-generational participation in church leadership is key to ensuring continuity and synergy in ministry. Collaboration between senior and younger generations can strengthen collective capacity, transform power relations, and create inclusive and sustainable leadership models.

Kartini, Audiananti Meganandi; Ilminnafik, Nasrul

Jurnal Kendali Teknik dan Sains 2024 International Forum of Researchers and Lecturers

Banyuwangi Regency has an area of ​​5,782.5 km2, which is divided into 25 sub-districts and 217 villages/sub-districts with a population in 2021 reaching approximately 1,718,462 people. Based on BPS data from Banyuwangi Regency in 2020, it shows that the total livestock population is 3,130,769. These types of livestock consist of four-legged animals such as cows, buffalo, horses, goats, sheep, pigs and poultry such as chickens. The aim of this research is to find out the potential electrical energy obtained from livestock manure and to measure and identify the potential electrical energy from waste processing which is developed into a biomass power plant in Banyuwangi Regency. The research method in writing this article is descriptive quantitative, the data was obtained from literature studies. Biogas potential from the livestock sector in Banyuwangi Regency is considered high with a total of 297,680 m3 of biogas that can be produced. Meanwhile, the total weight of waste generated in Banyuwangi Regency is 572,261 kg/day. So it was found that the total bioenergy produced from livestock manure in Banyuwangi Regency reached 297,681 m3, while the total electrical energy produced from organic waste in Banyuwangi Regency reached 414,061 kWh per day.  

I Gede Arsana Wijaya; Merylin Rafael Sitohang; I Gusti Ayu Agung Citra Santika Dewi; Ida Ayu Agung Diah Janawati; Desak Made Kutha Adhya Wagiiswari +1 more

Public Service And Governance Journal 2024 Universitas 17 Agustus 1945 Semarang

This study was conducted to determine whether people are interested in buying a product after seeing a product advertisement promoted through the TikTok application and to determine the effectiveness of promoting a product through the TikTok application. In this study, the research method used is descriptive research with a quantitative approach. The data collection method is a questionnaire (google form). Sampling is done by distributing questionnaire links with a target respondent of 200 people who on average use the TikTok application. The research variables in this research include marketing strategies, product purchasing power, and interest in buying products after seeing advertisements aired on the TikTok application. The results showed that TikTok application users consider product promotions carried out through the TikTok application to be more effective than product promotions in other applications.    

Meriah Carennika Purba; Erman S Saragih; Megawati Manullang; Herdiana Boru Hombing; Nurelni Limbong

Jurnal Teologi Injili dan Pendidikan Agama 2024 Sekolah Tinggi Pastoral Kateketik Santo Fransiskus Assisi

Simalungun is one of the ethnic groups that maintains aspects of its culture. Ahap, which has become an identity for the Simalungun people, initially had positive aims and had a positive impact. According to the Simalungun people, Ahap has enormous power to determine human behavior. GKPS Tarutung is proof of the large number of Simaungun people who live in an area where the majority of the population is the Toba Batak tribe. Ahap became an important factor in the history of the founding of the Simalungun Protestant Christian Church (GKPS) Tarutung. The research aims to find out the meaning of Ahap for the Simalungun people of the Tarutung diaspora and to what extent the value of Ahap is in the history of the founding of GKPS in Tarung. The approach used by the author in completing this paper is to use a descriptive approach, namely writing that describes the actual situation of the object under study. According to the actual situation during direct research, the data collected is not in the form of numbers but the data comes from manuscripts, interviews, field notes, personal documents, memos and other documents. According to St. Mardinus Sinaga, SH, Ahap as the initial trigger for the formation of the PKSTS Organization. This is evident from the fact that the PKSTS organization was started by a meeting between two young men from the Simarmata clan and the Purba clan, who talked about relatives and family from the Simalungun tribe.

Darwin Damanik; Pawer Darasa Panjaitan; Fariaman Purba; Pandapotan Damanik; Manres Nababan +2 more

Jurnal Nusantara Berbakti 2024 Universitas Kristen Indonesia Toraja

The high purchasing power of society and within lengthy periods will cause the state falls into inflation. Inflation has its influence on domestic savings. Hence, the government tries to limit the amount of money which circulates and reduces inflation risk by offering higher interest rates for the people who deposit their money in national banks. The socialization program of early saving is carried out with the purpose of creating national program in creating a generation who isable to manage their finances well. Other than that, the program hopefully has the ability to leverage the interest in saving for children. The children may develop the habit into an insurance for their later life, and autonomously learn to save and to be responsible in managing the money,hence the goals of the program.Teaching the children to save early may also develop positive personality; to save means teaching the children how to be patient, and saving is useful for future savings.

Farahlia Nurfatihah; Rifqi Muntaqo; Nur Farida

Jurnal Manajemen dan Pendidikan Agama Islam 2024 Asosiasi Riset Pendidikan Agama dan Filsafat Indonesia

This research has the following objectives: 1) To find out about the concept of using PAI learning animation media as material about the beauty of togetherness in congregation in an effort to improve the spiritual quality of class VII students at Pelita Al-Qur'an Middle School; 2) To find out the implementation of learning material about the beauty of togetherness in congregation through the use of animation media as an effort to improve the spiritual quality of class VII students at Pelita Al-Qur'an Middle School, Wonosobo; 3) To determine the inhibiting and supporting factors in the use of PAI animation learning media in delivering beautiful material together with the congregation of class VII students at Pelita Al-Qur'an Middle School, Wonosobo.This research uses a qualitative field approach. The data sources used came from the principal of Pelita Al-Qur'an Middle School, PAI teachers and students. Data obtained using observation, interview and documentation techniques. Data analysis was carried out using data reduction, display and drawing conclusions.The results of this research show that: 1) The concept of using animated learning media refers to the character of students which is aimed at increasing their religious level, curiosity, respect for achievement, friendly or communicative, likes to read, independent, disciplined and responsible. 2) Implementation of learning with animation media in terms of material content using a forward flow, in terms of time allocation using animation media in collaboration with other media, in terms of types of animation media used, including material videos, practice videos, material song videos and story videos. exemplary story. 3) The supporting factors for implementing this media in general are that it is more interesting so that students' motivation, understanding of the material and spiritual level can easily increase, while the obstacles are the lack of infrastructure, power outages and noisy environmental conditions because they are close to the main road.

Khalisha Nabila Winanti; Noor Saptanti

Jurnal Riset Ilmu Hukum, Sosial dan Politik 2024 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

This research explains the procedure for implementing electronic mortgage registration and discusses legal protection for creditors in mortgage registration through SKMHT in the event of the principal's death. This normative legal research utilizes a prescriptive approach based on legislation, cases, and conceptual analysis Primary data sources include relevant laws and regulations related to mortgages, supplemented by interviews with Notaries and PPAT, as well as secondary legal materials such as books, legal research papers, and previous studies in the form of journals, theses, and dissertations related to the research. Data collection techniques are carried out through interviews, observations, and literature studies Meanwhile, the analysis technique used by the author is qualitative model. The research results indicate that electronic registration of Mortgage Rights is carried out by interested parties through the website https://mitra.atr.bpn.go.id. However, in practice, there are still shortcomings in electronic Mortgage Rights registration, particularly when it is registered using SKMHT (Power of Attorney to Burden Mortgage Rights), and then the certificate owner passes away, the registration of Mortgage Rights cannot be continued. The solution to this problem is to add an optional refinement formulation in the Electronic Mortgage Rights System that allows for the replacement of the Identity Card Number (NIK) of the grantor with the NIK of the recipient if the Mortgage Rights are registered first with a SKMHT.

Muhammad Shobirin; Hermanu Kusbandono

Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer 2024 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

In the era of automatic transmission or automatic transmission motorbikes, many people enjoy doing it in various circles compared to manual transmission motorbikes, these automatic transmission motorbikes are indeed fuel efficient and agile, but automatic motorbike users are not satisfied with their less optimal power, seeing the problems in The use of springs is a factor that influences the performance of automatic transmissions. The purpose of this study is to analyze one of the components of the Continuously Variable Transmission, namely the CVT spring. then compare the power and torque values to find out the comparison of the use of the three springs on the vehicle and retrieve data through the dynotest process. Tests using this dynotest tool produce the values of power, torque, and engine speed produced by the vehicle, this test uses three springs with different constant values such as 1000 Rpm, 1500 Rpm, 2000 Rpm to retrieve table and graphic data values and then compare the data to be converted into thrust and vehicle speed values. To obtain the maximum speed of the vehicle. From the experimental results, each spring produces a different transmission ratio. This results in the value of power and torque, which is produced by each different spring.

Muhammad Irfan Zidni; Muhammad Walid

Jurnal Riset Ilmu Farmasi dan Kesehatan 2024 Asosiasi Riset Ilmu Kesehatan Indonesia

Staphylococcus aureus infection  is one of the causes of increasing number of diseases and deaths. It is estimated that currently around 2-3% of the general population has MRSA in their bodies. People with MRSA on their bodies are estimated to have a 64% higher chance of dying. The purpose of this study was to determine the antibacterial activity of red guava leaves against Staphylocoocus aureus bacteria  and to determine the amount of inhibition of methanol extract from red guava leaves against the activity of Staphylocoocus aureus bacteria. This type of research is experimental research The object of this study is the inhibitory power of Staphylococcus aureus bacteria  in methanol extract of red guava leaves. The sample used in this study was methanol extract of red guava leaves. This research was conducted using maceration extraction method with the solvent used is methanol. The measurement results showed that red guava leaf methanol extract at concentrations of 25%, 50%, 75% and 100% had an inhibitory zone on the antibacterial activity of Staphylococus aureus. The greatest bland result at a concentration of 50% of 0.49 mm. The lowest inhibitory power is at a concentration of 75% of 0.26 mm.