TUASIKAL, Afrizal Halim Naindhy; UJIANTO, Erik Iman Heri. Mobile Based E-Commerce Application with Whatsapp Notification for Transactions. Jurnal Teknologi Sistem Informasi dan Aplikasi, [S. l.], v. 9, n. 1, p. 57–70, 2026. DOI: 10.32493/jtsi.v9i1.55662. Disponível em: https://openjournal.unpam.ac.id/index.php/JTSI/article/view/55662. Acesso em: 7 mar. 2026.