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All Journal JIKSI (Jurnal Ilmu Komputer dan Sistem Informasi) Pena Justisia: Media Komunikasi dan Kajian Hukum
Peter
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Computer Science & IT Law, Crime, Criminology & Criminal Justice Mathematics Other

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PEMANFAATAN UNIFIED MODELLING LANGUAGE DALAM PERANCANGAN APLIKASI PENCATATAN TRANSAKSI UNIPRO STORE Peter; Bagus Mulyawan
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 13 No. 1 (2025): Jurnal Ilmu Komputer dan Sistem Informasi
Publisher : Fakultas Teknologi Informasi Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jiksi.v13i1.32877

Abstract

Unipro store is a store engaged in the sale of cellphone accessories. Unipro Store conducts product purchase transactions from suppliers. Then, it sells its products back to consumers through various sales media. In addition to providing direct purchase options at the store, Unipro Store also accepts orders via Whatsapp and markets its products through Tokopedia and Shopee. All transactions are still recorded manually using a notebook. Manual recording of transactions makes it difficult for shop owners to search for historical transaction data and has the risk of losing data because there is no backup if the book is lost or damaged. In an effort to overcome these problems, a system design using Unified Modeling Language (UML) was implemented as part of the waterfall methodology to conceptualize an web-based application for transaction recording and stock management. This design aims to streamline the management of purchasing, sales, and product stock data. UML diagrams were employed to model the processes and system structure, providing a clear and organized visualization of the system requirements. The system design approach using UML effectively supported communication among stakeholders, ensuring that the design aligns with requirements and serves as a solid foundation for future development.
Tax Policy Reform and Its Implications for Taxpayer Compliance in Indonesia Peter; Julia Mahadewi, Kadek; Jessica M. Collins
Pena Justisia: Media Komunikasi dan Kajian Hukum Vol. 24 No. 2 (2025): Pena Justisia
Publisher : Faculty of Law, Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/pj.v24i2.7172

Abstract

This study aims to examine the impact of tax reform on taxpayer compliance levels in Indonesia. Using a normative juridical method, this study analyzes current tax laws and policies in Indonesia. The primary focus is on changes to the tax system, including administrative aspects, tax rates, and reporting mechanisms. The analysis was conducted on tax compliance data before and after the implementation of the tax reform. The results indicate that the tax reform has had a significant impact on improving taxpayer compliance. This is particularly evident in the increased efficiency of tax administration processes and the simplification of procedures. This study also identifies several challenges, such as the need to increase tax awareness and strengthen the tax law enforcement system. This study provides recommendations for strengthening tax reform strategies to achieve the goals of optimizing tax revenue and taxpayer compliance in Indonesia.
Co-Authors bagus Mulyawan Jessica M. Collins Kadek Julia Mahadewi