Agustian, Mikha Melvin, Ririn Ikana Desanti, and Wella Wella. “E-Commerce System for Media Group Cooperative”. Ultimatics : Jurnal Teknik Informatika 15, no. 1 (June 30, 2023): 65–70. Accessed August 2, 2025. https://ejournals.umn.ac.id/index.php/TI/article/view/3202.