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All Journal HUMANITIS : Jurnal Humaniora, Sosial dan Bisnis Tamilis Synex: Multidimensional Collaboration
Rahul Febriansyah
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Religion Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences

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PERANCANGAN SISTEM INFORMASI LAYANAN SERVIS ELEKTRONIK RUMAH TANGGA BERBASIS WEB Rahul Febriansyah
HUMANITIS: Jurnal Homaniora, Sosial dan Bisnis Vol. 3 No. 1 (2025): JULI
Publisher : ADISAM PUBLISHER

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Abstract

The development of information technology has driven the digitalisation of various service sectors, including household electronic services. This study aims to design and develop a web-based service information system capable of replacing the manual recording process currently used by small and medium-sized enterprises. This system is designed to simplify the service recording process, track repair status, manage customer data, and generate reports automatically and in real-time. The development method used is Rapid Application Development (RAD), which emphasises rapid and iterative system development with direct user involvement at every stage. RAD consists of four main stages: requirement planning, user design, rapid construction, and cutover. System design was carried out using Data Flow Diagrams (DFD) and Entity Relationship Diagrams (ERD) to model business processes and databases. Implementation was done using web-based PHP and MySQL technology, along with a responsive interface using the Bootstrap framework. The final results of the system demonstrate improved efficiency in service management, transparency in repair processes, and easier access to information for business owners. This system is expected to serve as an effective digital solution that can be further developed according to needs.
Optimasi Keuntungan Penjualan Kopi Menggunakan Metode Simpleks Pada Coffee Homeland Dwi Andiyani; Fhesiyach Arthiansal Karubun; Didaktus Baptista Kluman; Rahul Febriansyah; Putra Imanuel Pali; Heru Sutejo
Tamilis Synex: Multidimensional Collaboration SPECIAL ISSUE Tamilis Synex: Multidimensional Collaboration 2025
Publisher : CV Edujavare Publishing

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Abstract

Coffee Homeland is a local coffee shop that offers three main products: Kopi Negeri, Kopi Story, and Kopi Guren. In its operations, Coffee Homeland faces limited resources in terms of production time, operational costs, and daily production capacity. Therefore, a quantitative method is needed to determine the most efficient production combination to maximize profit. This study applies the simplex method in linear programming, implemented through the POM-QM for Windows application, to develop an optimal production strategy based on existing constraints. Based on simulation and analysis results, the optimal solution is achieved by producing 13 cups of Kopi Negeri, 6 cups of Kopi Story, and 6 cups of Kopi Guren per day. This combination generates a maximum profit of IDR 506,000 per day. The results also show that the daily production limit is the main active constraint in the optimization, while working time still leaves a slack of 1,292 minutes. Thus, the application of the simplex method has proven effective in supporting strategic decision-making related to production and can serve as a reference for Coffee Homeland management to manage resources more efficiently and increase business profitability.
Co-Authors Didaktus Baptista Kluman Dwi Andiyani Fhesiyach Arthiansal Karubun Heru Sutejo Putra Imanuel Pali