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All Journal OPSI Intelmatics
Marie , Iveline Anne
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Computer Science & IT Industrial & Manufacturing Engineering

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User Interface User Experience Design with User Centered Design Method On Mobile Application For Laundry KK Reservation Lazuardy, Mika Aufasyah; Marie , Iveline Anne; Salim, Agus
Intelmatics Vol. 4 No. 1 (2024): Januari-Juni
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/itm.v4i1.18228

Abstract

 Laundry KK is a business that offers kilogram laundry services established since November 2007, located at Jl. Kejaksaan No. 229A, Pondok Bambu East Jakarta, which provides several services such as dry cleaning, dry cleaning + ironing, bedsheet washing, and shoe cleaning. Currently, the service booking process at Laundry KK is still done manually, where customers have to visit the location to place their laundry orders. With the manual method, there are often issues such as missing or damaged laundry receipts, clothes being mixed up or lost due to transaction recording errors, and the business owner being unable to effectively track the transactions in the business. This research proposes the development of a user interface user experience (UI/UX) to simplify the process for the owner and users of Laundry KK services in creating an attractive interface design that captures the attention of consumers, providing an engaging user interface that makes it easy and interactive to book Laundry KK services. The end result of this research is the Prototype of the Laundry KK Ordering Application created using Figma, with the content features, menus, buttons, and text using the "Roboto" font. The design results were then subjected to a final evaluation with an average SUS score of 87.75, rating it as "Best Imaginable."
Improving the sustainability index through life cycle assessment: A case study in a bag manufacturing company Nabila, Shadrina Putri; Sari , Emelia; Marie , Iveline Anne; Sari , Indah Permata; Abu , Mohd Yazid
OPSI Vol 18 No 2 (2025): OPSI - December 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i2.13246

Abstract

The bag manufacturing industry is one of the most resource-intensive and environmentally impactful sectors, producing significant waste and emissions during manufacturing. This study focuses on the Audero Bag, a product of the Less Catino brand, which contributes the most to production waste among all models. This research applies the Life Cycle Assessment (LCA) method following ISO 14040:2006 to evaluate the environmental impact of each production stage, from material cutting to finished goods, within a gate-to-gate system boundary using SimaPro software. The results show that the Cutting Division contributes the highest environmental impact (88.4%) due to substantial material waste and energy consumption. The most dominant impact categories identified are terrestrial ecotoxicity (6.27E-03), marine aquatic ecotoxicity (4.90E-03), and freshwater aquatic ecotoxicity (1.72E-03) caused by fabric material usage. The sustainability assessment based on economic, environmental, and social indicators yields an overall Sustainability Index (SI) of 80.68%, indicating a relatively good level of performance. After the implementation of proposed 6R improvement strategies (Reduce, Reuse, Recycle, Repair, Remanufacture, and Recover) the index improved to 66.51%, reflecting the need for a more balanced integration of efficiency and environmental management. Strengthening waste treatment systems and optimizing material recovery are recommended to enhance long-term sustainability performance in the bag production process.
Co-Authors AA Sudharmawan, AA Abu , Mohd Yazid Lazuardy, Mika Aufasyah Nabila, Shadrina Putri Sari , Emelia Sari , Indah Permata