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Contract law recognizes the concept of force majeure as a mechanism to address extraordinary circumstances that hinder the performance of obligations, namely unforeseen events beyond the debtor’s control that may result in the release or suspension of obligations. However, this concept has limitations, as it does not encompass situations such as economic or monetary crises. In the development of international contract law, the UNIDROIT Principles of International Commercial Contracts 2016 (UPICC) introduce the concept of hardship as a response to fundamental changes in circumstances that affect the economic equilibrium of the parties. Although hardship has not been explicitly recognized in Indonesian law, it is considered more relevant for addressing such conditions.This study aims to examine the historical development of the concept of hardship and to analyze the implementation of its underlying values in Indonesian legal practice. The method employed is normative legal research, utilizing primary, secondary, and tertiary legal materials. The findings indicate that, despite the absence of explicit regulation within the national legal system, the values of hardship have been reflected in several court decisions through approaches grounded in fairness and contractual adjustment.The implication of this study is that the concept of hardship has the potential to be explicitly adopted into Indonesian contract law in order to fill existing legal gaps and provide a more adaptive solution to changing circumstances, particularly in addressing economic or monetary crises that fall outside the scope of the force majeure regime

This study aims to analyze the state of cybersecurity and examine the implementation of risk management strategies at the Communication and Informatics Office of North Sumatra Province. The study employed a qualitative approach with descriptive methods, using interviews and documentation as data collection techniques. Interviews were conducted with three informants directly involved in cybersecurity management. The results indicate that the implementation of cybersecurity risk management has been carried out systematically through the stages of risk identification, analysis, evaluation, handling, and monitoring, supported by the use of a risk register and the Plan, Do, Check, Act (PDCA) cycle approach within the Information Security Management System framework. Risk assessments are conducted based on the level of impact and likelihood to determine priority for handling. The implemented mitigation strategies include risk control, avoidance, and transfer, with a focus on high-level risks. However, implementation still faces obstacles such as limited human resources, suboptimal internal policies, and a lack of support systems. Therefore, strengthening is needed through improving human resource competency, refining policies, and ongoing monitoring and evaluation to enhance the effectiveness of risk management and cybersecurity resilience.

Air quality in the Special Capital Region of Jakarta has shown a concerning decline in recent years, largely due to high emissions from motor vehicles as the main source of pollution in urban areas. The Provincial Government of DKI Jakarta issued Governor Regulation Number 66 of 2020 concerning Exhaust Emission Testing for Motor Vehicles as a public policy instrument aimed at controlling air pollution. This study aims to analyze the implementation of the regulation from a public policy perspective and to identify supporting and inhibiting factors in its execution. The research employs a normative juridical method with statutory and conceptual approaches, supported by qualitative analysis of policy documents and reports on the implementation of emission testing. The results reveal that the implementation of the regulation has not been optimal due to limited emission testing infrastructure, low levels of public awareness and socialization, and inconsistent enforcement of administrative sanctions. Nevertheless, there are opportunities to improve policy effectiveness through strengthened inter-agency coordination, digitalization of monitoring systems, and increased environmental literacy among the public. Therefore, the success of emission control policy implementation is highly dependent on resource support, regulatory consistency, and community awareness, necessitating a comprehensive and continuous multi-stakeholder improvement strategy and stronger commitment.

This study aims to examine the impact of digital transformation in accounting and the effectiveness of internal control systems on the quality of financial reports in an integrated logistics services company. The method used is a quantitative approach using Structural Equation Modeling-Partial Least Squares (SEM-PLS), with data collected from 35 respondents who are involved in financial and accounting activities within the company. The analysis focuses on evaluating the relationships between digital transformation, internal control systems, and financial reporting quality. The research findings indicate that digital transformation in accounting (coefficient = 0.658; p-value = 0.000) and internal control systems (coefficient = 0.308; p-value = 0.023) have a positive and significant effect on the quality of financial reports. Furthermore, the coefficient of determination (R²) value of 0.822 shows that both independent variables are able to explain 82.2% of the variation in financial report quality, while the remaining percentage is influenced by other factors outside the model. These results confirm that the implementation of digital technology supported by an effective internal control system can significantly improve the accuracy, relevance, timeliness, and reliability of financial reporting in organizations.

This study aims to systematically analyze the literature on the implementation of external evaluation systems and accreditation management in improving the quality of Islamic education. It also seeks to provide a more comprehensive understanding of best practices that can be applied by Islamic educational institutions in responding to increasingly complex quality demands. Using the Systematic Literature Review (SLR) method with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) approach, this study identifies themes, strategies, and challenges found in previous studies. Articles were identified from Google Scholar, Garuda, and ScienceDirect databases within the 2012–2024 period. The selection process involved a step-by-step screening of titles and abstracts, resulting in 15 main articles for further in-depth review. The findings indicate that external evaluation functions as a strategic instrument to enhance accountability, transparency, and quality control in educational institutions. Key themes identified include the importance of a Total Quality Management (TQM) culture, the strategic role of Management Information Systems (MIS) in data governance, and the gap between administrative compliance and substantive quality improvement. This study concludes that effective accreditation management requires a shift from a bureaucratic approach toward a culture of continuous improvement integrated with Islamic values and oriented toward overall educational quality enhancement.

Facies analysis and thin-section petrography are complementary and essential approaches for determining the lithological characteristics of deep-water deposits. Deep-water sediments are formed by diverse depositional processes such as turbidity currents, debris flows, slumps, and pelagic suspension settling, producing a wide range of lithofacies with distinctive textural, compositional, and sedimentary structural attributes. This literature review synthesizes studies that apply facies analysis and thin-section petrography to characterize deep-water deposits across various basins and geological ages worldwide. Field-based facies analysis emphasizes lithology, sedimentary structures, bed geometry, and vertical–lateral facies relationships to reconstruct depositional environments. In contrast, thin-section petrography provides microscopic insights into mineral composition, grain texture, cement types, porosity, and diagenetic features that are not observable in the field. The integration of these methods, often combined with advanced techniques such as XRD, SEM, and geochemical analyses, has proven effective in distinguishing lithofacies, understanding sedimentary processes, and evaluating reservoir quality. The review highlights that grain size, sorting, cement type, pore-throat size, and diagenetic processes are key controls on lithological characteristics and reservoir potential in deep-water systems. Therefore, the combined application of facies analysis and thin-section petrography provides a comprehensive framework for interpreting deep-water sedimentary systems.

This study discusses the design and simulation of an automatic lighting system based on a photodiode sensor using an Arduino Uno microcontroller as the main controller. The system is designed to detect changes in ambient light intensity and automatically control the lamp without human intervention. The photodiode sensor is used as a light detector that converts light energy into an analog electrical signal, which is then processed by the Arduino to determine bright or dark conditions. The output from the Arduino subsequently controls a relay module that functions as an electronic switch to connect or disconnect the current to the light bulb. The research method employed is an experimental approach, which includes system planning, hardware design, software programming, simulation using Proteus, and system performance testing. The simulation results indicate that the system operates as expected, where the lamp automatically turns on when the light intensity decreases and turns off when the ambient brightness increases. This system is expected to improve electrical energy efficiency and provide ease of operation for lighting control, particularly in public facilitiesand workplace environments.

This study analyzes the performance of three types of controllers—PID, Fuzzy-PID, and Model Predictive Control (MPC)—in maintaining water level stability in a dam system. Proper water level regulation is essential to prevent flooding, ensure adequate water distribution, and maintain the structural safety of the dam. Previous studies have widely implemented PID and Fuzzy-PID controllers; however, MPC offers significant advantages through system prediction and multivariable optimization. This research compares the performance of the three controllers through simulation analysis using a second-order mathematical model. The results indicate that MPC has the potential to deliver a faster settling time and a smaller steady-state error compared to PID and Fuzzy-PID, although it requires higher computational complexity.

Vocational High School (SMK) students' lack of preparation for their future often contributes to the high unemployment rate among vocational graduates. This Community Service (PKM) activity aims to implement the POAC (Planning, Organizing, Implementing, and Controlling) management function as a framework for SMK Sasmita Jaya 2 students to manage their career and academic planning more systematically and purposefully. The methods used include outreach, participatory discussions, and mentoring in utilizing professional digital platforms to support job readiness and self-development. The activity results indicate an increase in student awareness in setting clearer, more realistic, and measurable post-graduation goals. The implementation of the POAC strategy has been proven to help students transform intentions into concrete steps through the development of a focused and sustainable action plan. In addition, students are able to develop a more structured career roadmap based on their interests and competencies, and increase their confidence in facing job selection and further education. This program also encourages collaboration with industry and alumni to broaden students' horizons and future career opportunities.

In the increasingly competitive manufacturing industry, the effectiveness of Management Control Systems (MCS) is heavily influenced by human factors, particularly leadership style. This study aims to analyze the impact of leadership style on the effectiveness of MCS from the employees' perspective. The research uses a qualitative descriptive approach with in-depth interviews conducted on employees of a manufacturing company in Surabaya. The results indicate that the applied leadership style tends to be directive yet supportive, combining firmness in rule enforcement with humane interpersonal relationships. However, the reward system is found to be inconsistent and less structured, emphasizing more on disciplinary control rather than positive reinforcement. The study concludes that leadership style has a significant effect on employee compliance and perception of control systems. Effective leadership creates goal congruence and transforms rules from being perceived as a burden into operational support. Conversely, inconsistency and lack of flexibility become obstacles to optimal control. These findings highlight the importance of adaptive communication and consistency in leadership to enhance MCS effectiveness.

Vertigo is a clinical symptom that is often found and can be related to vestibular disorders or systemic conditions such as hypertension. The case report described a 58-year-old female patient who came in with complaints of dizziness that disappeared from 12 hours before admission to the hospital, accompanied by double vision, nausea, severe headache, flatulence, and stiffness of the left shoulder. Physical examination showed increased blood pressure and bidirectional nystagmus on neurological examination. Laboratory tests show mild electrolyte abnormalities and increased cholesterol. The patient was diagnosed with uncontrolled vestibular vertigo et causa hypertension and received intravenous fluid therapy, symptomatic therapy, antihypertensive therapy, and vestibular suppressants. Clinical improvements were obtained during follow-up. Education related to blood pressure control, medication adherence, and lifestyle changes such as low-salt diet settings and stress management is also provided to patients. In addition, periodic monitoring is required to prevent recurrence and further complications. This case emphasizes the importance of identifying hypertension as a contributing factor to vertigo as well as comprehensive management to improve patient outcomes and improve the quality of life of patients.

Dengue remains a major vector-borne disease worldwide, and the increasing resistance of Aedes aegypti to synthetic insecticides has encouraged the exploration of environmentally friendly botanical larvicides. This study aimed to systematically evaluate scientific evidence regarding the larvicidal potential of endemic Kalimantan plants against Aedes aegypti and to identify priority candidates for future research. A systematic literature review was conducted following the PRISMA 2020 guidelines. Literature searches were performed across Scopus, PubMed, ScienceDirect, SpringerLink, Web of Science, MDPI, Wiley Online Library, Garuda, SINTA, and Google Scholar for studies published between January 2016 and January 2026. A total of 925 records were identified, and after duplicate removal, screening, and eligibility assessment, 88 studies were included in the final synthesis. The results showed that botanical larvicides rich in alkaloids, flavonoids, terpenoids, phenolics, limonoids, and sulfur compounds demonstrated significant larvicidal activity against Aedes aegypti. However, no direct larvicidal studies were identified for endemic Kalimantan species, including Fibraurea tinctoria, Arcangelisia flava, Dacrydium beccarii, Agathis borneensis, and Scorodocarpus borneensis. These findings highlight substantial evidence gaps and indicate that Kalimantan biodiversity represents a promising source of novel larvicidal agents for sustainable dengue vector control.

The increasing number of corruption cases involving School Operational Assistance (BOS) funds has become a serious challenge for the education sector in Indonesia. These cases not only undermine public trust in educational institutions but also hinder the achievement of equitable and quality education. This study aims to analyze the role of professional leadership in preventing and addressing the misuse of BOS funds within educational institutions. The research employs a qualitative approach through literature review and analysis of relevant regulations, scholarly publications, and documented corruption cases in the education sector. The findings indicate that professional leadership characterized by integrity, accountability, transparency, and strong ethical commitment plays a significant role in minimizing opportunities for corruption. Effective leaders are able to establish robust internal control systems, promote a culture of honesty, and ensure participatory financial management involving various stakeholders. Furthermore, continuous supervision and adherence to governance principles strengthen institutional resilience against financial misconduct. The study implies that strengthening leadership capacity and ethical values among educational leaders is essential for improving financial governance and fostering public confidence in educational management. Professional leadership is therefore a crucial factor in supporting clean, transparent, and sustainable education administration.

Risk management is a crucial aspect of business sustainability, especially for Micro, Small, and Medium Enterprises (MSMEs) in the culinary sector which face various business environment uncertainties. This study aims to analyze the implementation of operational risk management at Warung Ecco Roso Kediri, covering the processes of risk identification, analysis, evaluation, control, and monitoring applied by the business owner. This research employed a qualitative descriptive method with a case study approach, using in-depth interviews and field observation for data collection. The results showed that the implementation of operational risk management at Warung Ecco Roso Kediri has been carried out across all process stages, yet it remains simple, informal, and based on the owner’s experience without systematic documentation. The main identified risks include raw material risks, market demand risks, business competition risks, as well as service and hygiene risks. The control strategies implemented focus on maintaining product quality, operational efficiency, and price adjustment. Although the applied system is not formally structured, these risk management practices are considered effective in maintaining business stability and continuity. This study recommends the development of Standard Operating Procedures (SOPs), risk documentation, and the use of a risk matrix to improve risk management effectiveness in the future.

This study evaluates the management audit of the procurement of goods and services for the 4G Base Transceiver Station (BTS) project managed by BAKTI Kominfo, with a primary focus on compliance with applicable regulations, the effectiveness of internal controls, and deviations at various stages of procurement. A qualitative approach was used, with analysis of documents, official news, and investigative audit findings from BPKP. The results indicate that the project procurement did not comply with Presidential Regulation No. 16 of 2018 and BAKTI Director Regulation No. 7 of 2020, with findings including tender manipulation, weak contract verification, and low levels of transparency. The planning process was also unsupported by adequate feasibility studies, while weak internal oversight exacerbated tender rigging and fund disbursements without proper verification. This study emphasizes the need for improvements in internal oversight, strengthening control mechanisms, and the implementation of e-procurement systems to enhance transparency and accountability in public procurement.

Heating, Ventilating, and Air Conditioning (HVAC) systems often suffer from significant energy wastage due to their inability to adapt to real-time environmental changes, leading to high operational costs. Although Proportional-Integral-Derivative (PID) controllers are widely used for their simplicity and reliability, they struggle to handle the complex dynamics of modern environments, requiring advanced optimization to enhance efficiency. This study aims to optimize PID controllers by integrating the Queen Honey Bee Migration (QHBM) algorithm to improve HVAC performance, energy efficiency, and adaptability. The research method employs an experimental approach that compares the performance of conventional PID controllers with PID controllers optimized using the QHBM algorithm under dynamic environmental conditions. The results show that the PID-QHBM system significantly outperforms the conventional PID system, achieving a rise time of 0.2649 seconds and a settling time of 1.6874 seconds with an almost negligible steady-state error of 9.4991e-08. Although it experiences a slight overshoot of 16.3810%, the system stabilizes quickly and maintains the target temperature efficiently. In contrast, the conventional PID controller exhibits slower response characteristics, with a rise time of 1.3730 seconds, a settling time of 2.5144 seconds, and a larger steady-state error of 0.0361. This study demonstrates that integrating the QHBM algorithm into PID controllers provides a more effective solution for real-time temperature control, offering substantial improvements in energy efficiency and system performance. The findings contribute to advancing intelligent HVAC control systems that can better adapt to environmental variations while minimizing operational costs.

The furniture industry is a strategic sector in the regional economy, including in Sikka Regency, East Nusa Tenggara, where the JeparaWaidoko furniture business owned by Mr. Agus Komarudin has been operating since 2010. In running its business, Mebel JeparaWaidoko faces various operational risks that have the potential to disrupt production continuity, employee safety, and financial stability. This study aims to comprehensively analyze the risk management process at this business, including risk identification, risk analysis and assessment, evaluation and prioritization, and implementation and monitoring of risk controls. The method used was descriptive qualitative, using in-depth interviews with the business owner and field observations. The study identified three main risks: the risk of flooding, the risk of workplace accidents due to the use of production machinery, and the risk of rising raw material prices. All three are categorized as high-priority risks requiring planned and systematic management. These findings indicate that risk management practices at Mebel JeparaWaidoko remain informal and intuitive, despite the implementation of simple control measures. This study recommends formalizing an ISO 31000-based risk management system, improving occupational health and safety programs, and diversifying raw material suppliers as medium-term strategic steps

Industrial dust exposure is a hazardous work environment that can potentially cause respiratory problems in workers, particularly in industrial sectors with production activities that generate high levels of dust particles. This study aims to examine the relationship between industrial dust exposure and respiratory problems in workers through a systematic review. The method used was a qualitative descriptive literature study of scientific articles from 2021-2026 obtained through Google Scholar based on inclusion and exclusion criteria, then systematically analyzed. The results of the study indicate that most studies found a significant relationship between dust exposure and respiratory problems, especially in work environments with dust levels exceeding the threshold limit (TLV). Common symptoms include coughing, shortness of breath, phlegm production, and decreased lung function. In addition to dust levels, other factors such as duration of exposure, length of service, smoking habits, and the use of personal protective equipment (PPE) also play a role in increasing the risk. However, several studies showed insignificant results, which are suspected to be influenced by the use of proper PPE and an effective work environment control system. These findings confirm that dust exposure is a significant, multifactorial risk factor, necessitating comprehensive control efforts through a hierarchy of controls, environmental monitoring, and regular health checks to prevent long-term impacts on worker health.

This study examines the absence of clear time limits in civil procedural law and its impact on the effectiveness of the principle of simple, fast, and low-cost justice in Indonesia. Normatively, this principle serves as a fundamental guideline in ensuring efficient and accessible dispute resolution. However, in practice, civil proceedings often take a prolonged and complex course, leading to increased costs and legal uncertainty. This research aims to analyze whether the principle has real normative force and how the lack of time constraints in each stage of civil litigation contributes to procedural delays. The study employs a normative legal research method using statutory and conceptual approaches, supported by secondary legal materials. The findings indicate that the absence of strict and binding time limits allows procedural flexibility to be misused, resulting in repeated delays, inefficiency, and case accumulation. Consequently, the principle of simple, fast, and low-cost justice tends to remain declarative rather than operational. The study concludes that the effectiveness of this principle is significantly weakened by the lack of time regulation and suggests the need for reform through time-bound case management, stricter procedural control, and the integration of digital judicial systems to enhance efficiency and legal certainty.

This study aims to examine the normative construction and practical implementation of criminal sanctions against narcotics abusers from the perspectives of Islamic criminal law and Indonesian positive law, as well as to formulate an integrative policy model that is more just, humane, and context-sensitive in Bungo Regency. Narcotics abuse constitutes a multidimensional problem involving legal, social, moral, and public health dimensions. Therefore, a comprehensive approach is required to integrate the normative values of Islamic criminal law with the national legal system. This research employs a normative-empirical approach using comparative legal analysis, examining statutory regulations, doctrines of Islamic criminal law, and law enforcement practices at the local level. The findings indicate that Islamic criminal law frames narcotics abuse within the protection of maqāṣid al-sharī‘ah, particularly the preservation of intellect (ḥifẓ al-‘aql) and life (ḥifẓ al-nafs), thereby emphasizing not only punitive but also educational and rehabilitative orientations through the instrument of ta‘zīr. Meanwhile, Indonesian positive law, particularly Law No. 35 of 2009 on Narcotics, provides legal space for rehabilitation; however, its implementation still encounters structural and cultural challenges. This study concludes that integrating Islamic criminal law principles with the national legal framework may produce a more responsive sentencing model that upholds substantive justice, human rights protection, and effective narcotics control. Policy reformulation grounded in religious values, restorative approaches, and social rehabilitation is recommended as a strategic direction for national criminal law reform.