Tuasikal, Afrizal Halim Naindhy, and Erik Iman Heri Ujianto. “Mobile Based E-Commerce Application With Whatsapp Notification for Transactions”. Jurnal Teknologi Sistem Informasi dan Aplikasi 9, no. 1 (March 5, 2026): 57–70. Accessed March 7, 2026. https://openjournal.unpam.ac.id/index.php/JTSI/article/view/55662.