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All Journal JOURNAL OF APPLIED INFORMATICS AND COMPUTING Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Journal of Mathematics Instruction, Social Research and Opinion
Lukitosari, Valeriana
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Humanities Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Pengembangan Aplikasi Perpustakaan Berbasis Web untuk Peningkatan Kualitas Sirkulasi Pustaka di SMAN 1 Jombang Sulistyaningrum, Dwi Ratna; Setiyono, Budi; Arif, Didik Khusnul; Utomo, Daryono Budi; Lukitosari, Valeriana; Hanafi, Lukman
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol 6, No 2 (2021): May 2021
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v6i2.5173

Abstract

The library is a learning infrastructure that must be available in every school. Libraries provide information and knowledge needed by students. The development of technology and information is expected to have an impact, namely the efficiency and effectiveness of the implementation of work. One way is to change the manual system into a computer-assisted system supported by internet technology. In this community service activity, a web-based library application has been designed and built at SMAN 1 Jombang. Application development uses the Waterfall model which consists of 4 stages, namely system requirements analysis, system design, implementation, and maintenance. The library application is built using the Code Ignaiter framework with the Hypertext Pre-Processor (PHP) programming language while the database uses MySQL.The benefit of this application is to address the needs of students for book searches and book ordering, while for school library officers it manages the circulation of book borrowing and reporting. The result of community service that has been implemented is a Web-based library application at SMA Negeri 1 Jombang to improve the quality of library management.DOI: https://doi.org/10.26905/abdimas.v6i2.5173
Pricing and Producer-Retailer Supply Chain Coordination: A Game Theory Approach Utama, KF. Sunny Cahya; Lukitosari, Valeriana
Journal of Applied Informatics and Computing Vol. 8 No. 1 (2024): July 2024
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v8i1.8050

Abstract

Supply chain process is interdependent. Starting from procurement of raw materials, production, distribution, and finally the goods reaching consumers will influence each other. The costs of goods and services will be somewhat impacted by these social habits. Producers and merchants must comprehend these social behaviors in order to properly establish prices and the distribution of goods. This includes determining the prices of goods and services. Offering manufacturers who participate in cooperative advertising schemes money for a percentage of the costs connected with local advertising encourages retailers to launch additional promotional activities. The aim of this research is to investigate how cooperative pricing and advertising can improve supply chain coordination using consumer demand functions. A model based on game theory that takes the dynamics of power in the supply. A series of numerical simulations is presented to illustrate the optimal solution of channel members based on scenarios that illustrate, understand and compare the fundamental results of the game models. The results of this research are that retail price decisions are influenced by the level of competition and product differentiation. The results show that retail margins depend on local ( ) and national ( ) advertising effectiveness values. In addition, retailers can gain greater profits by setting higher prices in conditions of low price elasticity but must consider consumer sensitivity to price to maximize profits.
Improving The Order Pickup Process in Warehouses by Instant Couriers Through Zone-Based Assignment Soesanto, Danti Ardianti; Lukitosari, Valeriana
Journal of Mathematics Instruction, Social Research and Opinion Vol. 5 No. 2 (2026): June
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/misro.v5i2.1032

Abstract

The expansion of e-commerce has intensified operational pressures on warehouse logistics, particularly for instant-delivery services, where speed and accuracy are critical. At Warehouse A of Marketplace ABC, the order pickup process experienced inefficiencies due to alphabetical sorting and courier assignments that were not aligned with the physical order placement, resulting in longer pickup times and frequent errors. This study aims to optimize the instant courier pickup process by redesigning order sorting and courier assignment through zone picking based on delivery location similarity. An applied quantitative case study was conducted using 61,577 historical instant delivery orders from July 2025. Delivery locations were clustered using K-means, and the optimal number of zones was determined using the Elbow method. The analysis yielded five optimal picking zones, which were subsequently implemented in the warehouse pickup workflow. The redesigned process significantly improved operational performance, reducing the average pickup time from 6.7 minutes to 1.7 minutes and achieving 100% pickup accuracy. These findings confirm that integrating zone picking with clustering-based zoning effectively enhances efficiency and accuracy in instant courier warehouse operations.
Co-Authors Arif, Didik Khusnul Budi Setiyono Dwi Ratna Sulistyaningrum Lukman Hanafi Soesanto, Danti Ardianti Utama, KF. Sunny Cahya Utomo, Daryono Budi