USMAN, Usman; ROKHMAT, Nur. Development of a Web-Based Contractor Safety Management System (CSMS): A Case Study of PT. Petromine Energi Trading. Journal of Information Systems and Informatics, [S. l.], v. 7, n. 3, p. 2646–2659, 2025. DOI: 10.51519/journalisi.v7i3.1230. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/1230. Acesso em: 7 mar. 2026.