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The development of digital technology has driven transformation across various sectors, including the food and beverage industry. Dessert businesses face challenges in improving operational efficiency and competitiveness in the digital market. One possible solution is the use of websites as marketing and sales platforms. However, without proper management methods, the utilization of this technology will not be optimal. Therefore, this study applies the POAC (Planning, Organizing, Actuating, Controlling) method to develop a website- based dessert sales system aimed at enhancing business efficiency and customer satisfaction. This study employs a descriptive approach with the POAC method in website-based marketing strategies. The planningphase involves designing e-commerce features, such as product catalogs, an online ordering system, and digital payments. The organizing phase focuses on resource management and technology integration, while actuating includes implementing the system using MySQL, PHP, and CodeIgniter. The controlling phase is conducted through system testing using the Blackbox Testing method to evaluate application performance. The study results indicate that implementing the POAC method in a website- based system enhances the operational efficiency of dessert businesses. Transaction records become more accurate, customers can easily access product information, and the digital payment system improves transaction convenience. Furthermore, the website enables businesses to reach a broader market without geographical limitations. The implementation of the POAC method in website-based business management has proven to improve marketing and sales effectiveness. With a more structured system, businesses can better adapt to market changes and enhance customer interactions. This digital-based strategy also opens new opportunities for developing the culinary business in the modern era.

The rapid advancement of information technology has brought significant transformation across multiple sectors, including library management systems. One of the pressing needs in higher education libraries is the development of an efficient, accurate, and secure borrowing system that reduces human error and improves service quality. This study aims to design and implement a book borrowing system for the STMIK Kaputama library by utilizing Radio Frequency Identification (RFID) technology integrated with the Internet of Things (IoT). The proposed system employs the ESP32 microcontroller as the core controller, supported by the RFID RC522 module and buzzer as primary devices to facilitate the automatic identification of library members and borrowed books. The borrowing and returning process is executed through RFID card scanning, with all transaction data transmitted via WiFi and stored in a MySQL database, which is managed through a PHP-based web platform. The development process follows the Agile methodology, enabling iterative improvement and adaptability to user requirements. System testing demonstrates that the integration of RFID and IoT technology significantly enhances the efficiency, accuracy, and speed of library operations compared to the previous manual system. Furthermore, the system allows real-time recording of borrowing transactions, monitoring of user activities, and centralized data management. These features not only streamline library services but also improve data security and reduce the risk of loss or duplication of records. Overall, the implementation of this RFID-IoT-based system provides an innovative solution for modernizing library management, particularly in higher education institutions. The system ensures faster services, minimizes errors, and creates a structured and reliable digital infrastructure to support academic information services. This study highlights the potential of combining RFID and IoT technologies to improve the quality and effectiveness of library systems in the digital era.

This study aims to develop a data security system for the Pancadaya Waste Bank web-based application by implementing a hybrid cryptography algorithm combining AES and RSA. The main problem identified is the vulnerability of manually recorded and unsecured transaction data. The research applied a qualitative approach through interviews with system users and the Environmental Agency, as well as literature reviews on hybrid cryptography algorithms. The system was developed using the Rapid Application Development (RAD) method and implemented using PHP, MySQL, and the OpenSSL library. The results show that the system successfully encrypts transaction data using AES and secures the AES key with RSA, thereby enhancing data security. Testing with GTmetrix indicates excellent application performance. Furthermore, the system can display and decrypt real-time transaction data in receipt form for both deposit and withdrawal processes. This application provides an innovative solution to data management and transaction security issues in digital-based waste bank systems.

Produksi perhiasan emas PT Gemopia Indonesia melibatkan proses bombing, yang membutuhkan keakuratan tinggi untuk memastikan kualitas produk.  Beberapa kelemahan sistem pencatatan yang masih dilakukan secara manual menggunakan Microsoft Excel termasuk keterlambatan laporan, kurangnya keamanan data, dan kesalahan input yang tinggi. Tujuan penelitian ini adalah untuk mengembangkan dan membangun sistem informasi bombing emas berbasis web yang akan mempercepat proses pencatatan, meningkatkan akurasi data, dan memperbaiki alur pelaporan.  Pengembangan sistem ini menggunakan metode Waterfall, yang mencakup tahapan analisis kebutuhan, perancangan sistem menggunakan UML, pengembangan dengan framework Laravel dan database MySQL, dan pengujian dengan metode black box. Hasil pengujian menunjukkan bahwa seluruh fungsi sistem berjalan dengan baik dan sesuai dengan kebutuhan pengguna, dengan fitur seperti perhitungan otomatis, hak akses pengguna bertingkat, verifikasi dan koreksi data produksi, dan pembuatan laporan dalam format PDF. Sistem mampu menerima input, memproses data , dan menghasilkan output yang tepat dan sesuai dengan spesifikasi.Oleh karena itu, sistem ini dinyatakan layak untuk diimplementasikan secara penuh dalam rangka mendukung efisiensi dan transparansi pelaporan produksi di PT Gemopia Indonesia.

This study focuses on the development and implementation of “Pasar Kita,” a web-based marketplace system designed to facilitate digital transactions for traditional market sellers and consumers. The system was developed using PHP as the backend programming language and MySQL as the database management system. The purpose of this project is to address the digital gap experienced by traditional market vendors who have limited access to modern e-commerce platforms. The research includes a needs analysis, system design using UML diagrams, implementation of main features such as registration, login, product management, transactions, checkout, and order tracking, followed by system testing. The results show that all major functions operate properly, including user authentication, product uploads, order processing, and payment simulations via transfer or cash-on-delivery (COD). System testing indicates that the platform meets usability, functional, and responsiveness criteria. The findings highlight the system’s capability to support local economic digitalization by providing an accessible and user-friendly marketplace for traditional market vendors and consumers.

SMA Negeri 1 Baturiti merupakan salah satu instansi pendidikan di bawah naungan Dinas Pendidikan Kabupaten Tabanan yang memiliki berbagai aset penunjang kegiatan belajar mengajar. Proses pelaporan aset selama ini masih dilakukan secara manual menggunakan Microsoft Word, sehingga kurang efisien dan sering mengalami keterlambatan dalam pelaporan kepada Dinas Pendidikan. Untuk mengatasi permasalahan tersebut, dirancang dan dibangun sistem dengan judul Optimalisasi Pengelolaan Inventaris Sekolah Melalui Sistem Inventory Berbasis Web di SMA N 1 Baturiti. Sistem ini dikembangkan menggunakan bahasa pemrograman PHP dan database MySQL, serta dilengkapi fitur pencetakan laporan dengan PHP Word dan PHP Excel. Sistem ini mempermudah proses input data aset dan menghasilkan laporan yang lebih cepat, akurat, dan terstruktur. Dengan adanya sistem ini, diharapkan pelaporan aset sekolah kepada Dinas Pendidikan dapat dilakukan secara lebih tepat waktu dan efisien.

State Senior High School 7 Surakarta is one of the public schools located in Surakarta City. The library activities, including member data management, book processing, and book borrowing and returning, are still conducted manually using physical logbooks. This manual process is considered inefficient and prone to errors. The purpose of this study is to develop a book borrowing system at State Senior High School 7 Surakarta that serves as a tool to assist officers in recording, loans, and returning books. This system is designed using the CodeIgniter framework to support WEB displays, programming in PHP, and using MySQL for database management. This system is created using the System Development Life Cycle (SDLC) method with a waterfall model that includes the stages of analysis, design, implementation, testing, and maintenance. System testing was conducted using Black-Box Testing and the System Usability Scale (SUS). The Black-Box Testing results showed that all features and functions operated correctly. The SUS evaluation produced a score of 75.68%, indicating that users generally agreed with the implementation of the system, which falls under the "acceptable" classification.

Penelitian ini bertujuan untuk merancang dan membangun sistem informasi inventaris berbasis web di Laboratorium Komputer Universitas Dharmas Indonesia (Undhari). Sistem ini dibuat untuk mempermudah proses pencatatan, pemantauan, dan pelaporan data barang di laboratorium. Sebelumnya, pengelolaan data dilakukan secara manual, yang seringkali menimbulkan kesalahan dan memperlambat proses pencarian data. Dengan adanya sistem berbasis web, pengguna dapat mengelola data inventaris seperti stok barang, barang rusak, peminjaman, dan laporan dengan lebih efisien. Penelitian ini menggunakan metode Waterfall, yang terdiri dari tahapan analisis kebutuhan, perancangan sistem, implementasi, pengujian, dan pemeliharaan. Sistem dikembangkan menggunakan bahasa pemrograman PHP dengan framework CodeIgniter serta basis data MySQL. Hasil dari penelitian ini adalah aplikasi yang dapat diakses secara lokal oleh admin dan kepala laboratorium. Sistem telah diuji menggunakan metode blackbox dan terbukti berjalan sesuai fungsinya. Dengan adanya sistem ini, pengelolaan barang di laboratorium menjadi lebih rapi, terstruktur, dan memudahkan proses pelaporan. Selain itu, sistem ini juga membantu mengurangi penggunaan kertas dan meminimalkan kesalahan dalam pencatatan data inventaris.

Proses antrean manual di barbershop seperti APE Vabercaf sering menimbulkan ketidakteraturan, antrian tidak tertata, dan kesulitan manajemen dalam memantau layanan. Penelitian ini bertujuan mengembangkan sistem antrean digital berbasis web untuk meningkatkan efisiensi pelayanan dan kenyamanan pelanggan. Sistem dibangun menggunakan framework CodeIgniter 4 dan basis data MySQL, serta dikembangkan melalui metode Waterfall yang mencakup analisis kebutuhan, desain, implementasi, dan pengujian. Fitur utama sistem meliputi nomor antrean otomatis, pemanggilan digital berbasis visual dan suara, pencatatan transaksi, pencetakan struk menggunakan printer thermal POS, serta laporan transaksi harian dan bulanan. Sistem juga mendukung dua peran pengguna, yaitu owner dan staff, dengan hak akses berbeda. Hasil pengujian menggunakan metode Blackbox menunjukkan bahwa seluruh fungsi sistem berjalan sesuai kebutuhan pengguna. Sistem ini mampu menggantikan proses antrean manual dengan sistem digital yang lebih tertib, cepat, dan informatif, serta membantu pemilik usaha dalam pengambilan keputusan berbasis data. Dengan demikian, sistem ini menjadi solusi tepat untuk modernisasi layanan antrean di sektor barbershop.

Intuisi Coffee, sebuah kafe di Blang Kolak, Aceh Tengah, masih mengelola proses pemesanan dan transaksi secara manual, yang berdampak pada kurangnya efisiensi dalam pencatatan, pengelolaan stok, dan penyusunan laporan. Penelitian ini bertujuan untuk mengimplementasikan sistem informasi berbasis web guna meningkatkan efisiensi operasional kafe. Pengembangan sistem dilakukan menggunakan metode Waterfall dengan memanfaatkan XAMPP, PHP, dan MySQL sebagai teknologi utama. Evaluasi sistem menggunakan System Usability Scale (SUS) untuk mengukur tingkat kegunaan dari sisi efektivitas, efisiensi, dan kepuasan pengguna. Hasil evaluasi menunjukkan skor SUS sebesar 64,9, yang mengindikasikan sistem berada pada kategori kegunaan yang cukup baik. Implementasi sistem ini terbukti dapat mempercepat proses transaksi, mempermudah pengelolaan data, dan mendukung pengambilan keputusan secara lebih terstruktur

The birth certificate archive management system at the Central Aceh Population and Civil Registration Office still uses manual methods, which causes data search and storage to be less efficient. Therefore, this study aims to design and develop a web-based birth certificate data archive information system with the Waterfall method so that the management of data is more effective, secure, and organized. The development method used is Waterfall, which consists of the stages of analysis, design, implementation, testing, and maintenance. This system was built using the PHP programming language with the Laravel framework, and using MySQL as a database. The results of implementation shows that this system is able to manage archives digitally, facilitate data search, and reduce the risk of loss or damage to physical documents. System testing is carried out using the Black Box Testing method, which shows that all main features of the system function in accordance with the designed specifications. Evaluations from users of the system also show that the system is easy to use and increases efficiency in managing birth certificate archives. With this system, it is expected that the population administration process at the Population and Civil Registration Office of Central Aceh can run faster and more accurately, and provide better services to the community.  

Penelitian ini bertujuan untuk mengelompokkan penjualan berbagai merek beras di UD. Nainggolan menggunakan algoritma K-Means Clustering. UD. Nainggolan merupakan usaha yang bergerak di bidang penjualan sembako, termasuk beras dari berbagai merek. Permasalahan utama yang dihadapi adalah kesulitan dalam memahami tren penjualan dan preferensi pelanggan, yang berdampak pada pengelolaan stok dan strategi pemasaran. Penelitian ini memanfaatkan data penjualan dari Maret 2024 hingga Februari 2025, dengan fokus pada 9 merek beras. Data dianalisis untuk diklasterisasikan ke dalam 2 kategori:, laris, dan kurang laris. Hasil dari penelitian ini adalah sebuah sistem berbasis web yang dibangun menggunakan PHP dan MySQL, yang mampu mengelompokkan penjualan beras berdasarkan algoritma K-Means. Sistem ini diharapkan dapat membantu pihak manajemen dalam pengambilan keputusan terkait pengelolaan stok dan strategi penjualan yang lebih efisien dan tepat sasaran.

This research iss motivated by the problem of the lack of digital learning facilities that can be flexibly accessed by students and theachers at SMP Djama'atul Ichwan Surakarta, so that interaction in the theaching and learning proces is limited. The theories applied in this study include the concept of E-Learning as a distance learning method rooted in information technology, web-based system development, and an interactive technology integration approach to increase effectiveness and engagement in learning. The method used is the Waterfall model system development life cycle (SDLC), which includes the stages of needs analysis, system design, implementation with PHP and MySQL using the CodeIgniter framework, and function testing. The research findings show that the designed web-based E-Learning system successfully provides features for managing student and teacher data, distributing teaching materials, scheduling lessons, giving assignments, and interaction through discussion forums. This system is considered capable of supporting a more organized and interactive online education process.The implementation of this systemis expected to a long-term solution to overcome the limitations of traditional learning methods and become a foundation for the development of digital learning platforms in the futur.

The problem of decision making for admitting new students at SMK Fajar Bogor is that they still use Microsoft Excel so they experience several obstacles and a lack of systematicity in decision making regarding new students at SMK Fajar Bogor.  This research aims to design an application to make the processing of prospective new students' grades easier and to design a more systematic decision-making application regarding the admission of new students to SMK Fajar Bogor. This research identifies the criteria for diploma grades, test scores, psychological test scores and zoning. The Simple Additive Weighting (SAW) method was used to design, develop and test a decision support system at the SMK Fajar Bogor school. This system is designed using the PHP programming language and MYSQL database. The results of the research are that the process of processing the grades of prospective new students becomes easier, decision making regarding the acceptance of new students at SMK Fajar Bogor becomes more systematic.

We designed and implemented a web-based inventory system to address challenges in managing inventory and financial data at Toko bangunan Mutiara. With high daily transaction volumes and a wide variety of products, manual recording often leads to errors, inaccuracies in inventory data, and difficulties in monitoring cash flow. To address this, we developed the system using the Agile/Scrum development model, which allows for flexibility and adaptation to user needs through the stages of Requirements, Design, Development, Testing, Deployment, and Review. The system was developed using web technology, including PHP and JavaScript for the backend, HTML and CSS for the frontend, and MySQL as the database system. The main features we implemented include two integration options: barcodes and unique product codes to simplify recording, automatic notifications when stock reaches the minimum level set by the system, and the ability to generate accurate reports. It is hoped that this research, which was designed to enhance operational efficiency in recording incoming and outgoing goods, provide flexible and accurate access to inventory data, and minimize errors in recording and inaccurate data, will be successful. The implementation of this system contributes to more accurate inventory management and supports better financial decision-making for Toko bangunan Mutiara.

Abstract. A store requires an effective and efficient accounting information system to manage its finances, ensuring business continuity and financial sustainability. One such case is Am Collection Store, which has not yet adopted computer technology. The store still uses manual methods for cash receipts processing. This Cash Receipt Application was designed using the waterfall method, applied as a system development method, and utilizes PHP and MySQL programming languages. The objective is for Am Collection Store to record all cash receipts from sales without the need for manual bookkeeping. The system design tools used include UML, such as Use Case Diagram,  and Class Diagram. The result of this research is the design of a web-based accounting information system for cash receipts, which simplifies cash management to be more effective and efficient. Additionally, it produces detailed reports on matters related to the cash receipt processes from transactions conducted by both customers and sellers.

PT. Gemilang Sejahtera Abadi (GSA) is a company engaged in the oil palm plantation business, which is spread across the East Kutai Regency, precisely in Long Mesangat District. It is still difficult for office admins to monitor plantation results and production results by relying on paper records, via telephone and SMS, making it difficult to understand palm oil production data. The computerized system used when the research was conducted still used Microsoft Excel and Microsoft Word. The purpose of this study was to create a web-based Monitoring Information System Design application for the PT. Gemilang Sejahtera Abadi office admin. The method used is the Waterfall method which consists of 5 stages, namely: communication, planning, modeling, construction and system submission. The system created is web-based using the PHP programming language and MySQL database.The results of the study concluded that the design of the plantation production monitoring system for the office admin can be implemented and is expected to help the office admin in managing harvest data and can reduce errors in the data input process.

Manual inventory management at Toko Terang Abadi presents various challenges, including delays in reporting and high recording errors. This study aims to improve accuracy and efficiency in stock management by creating a web-based inventory information system using the Waterfall method. Data collection was conducted through interviews, direct observation of store activities, and literature review. The system was designed and implemented using PHP and MySQL, and tested using black-box testing methods to ensure all functions work according to user needs. Implementation results show that recording efficiency increased by 50% and input errors decreased by 90%. These findings support previous research highlighting the importance of digitalizing inventory systems in the SME and retail sectors to improve effectiveness and accuracy in managerial decision-making.

In the era of increasingly advanced technological development, decision support systems (DSS) play an important role in improving the quality of decision-making in the education sector. The selection staff at SMP Dharma Bakti find it difficult to objectively determine the best academic students because they still use a manual method that is prone to errors. This research aims to design a web-based decision support system that can help selection staff assess and determine their best academic students objectively and quickly. This system is developed using the PHP programming language, MySQL database, LARAVEL 8 framework, and applies the Analytical Hierarchy Process (AHP) method within it. This research produces a system that allows the SMP Dharma Bakti Selection Officers to input alternative data, namely student data, determine the weight of criteria and sub-criteria, and view the ranking results automatically, thus greatly facilitating the SMP Dharma Bakti Selection Officers in determining their best academic students.

This research focuses on creating the employees’ performance reporting application of Health, Safety, and Environment (HSE) of PT. IWIP Weda. The main aim of this development system is to optimize the making of the HSE employees' daily report. The Waterfall development method was chosen as the methodological approach in designing and implementing this application. The application is build based on web with PHP programming and MYSQL. Through this application the super admin is able to arrange the employees’ work report. Along with that, the frontman is able to dig out the occupational health violations in real time. Futhermore, this application loads the information of Occupational Safety and Health (K3). This web application is dessigned to be accessed online. Thus, the user is able to access information anytime and anywhere. In the final analysis, this application is able to simplify the reporting process, defining the HSE perfomance, discovering the occupational health violations, and storaging the data efficiently. The black-box testing shows that the system functions can run well. Moreover, application system has met the needs and showing good results. Based on the User Acceptance testing (UAT), the average value is 86%.