Zulkifli, Akhmad. “PEMODELAN VISUAL RANCANG BANGUN APLIKASI TOKO SEMBAKO MENGGUNAKAN UNIFIED MODELLING LANGUAGE (UML)”. RJOCS (Riau Journal of Computer Science) 7, no. 2 (July 31, 2021): 156–163. Accessed December 17, 2025. https://ojs-staging.upp.ac.id/index.php/rjocs/article/view/1834.