Megasari, Armyta, Suhartini Suhartini, and Muchlis Muchlis. “Penerapan Metode User Centered Design Pada Rancang Bangun Sistem Penjualan Berbasis E-Commerce: Studi Kasus Toko Martijo 123”. Jurnal Pengembangan Sistem Informasi dan Informatika 2, no. 1 (November 23, 2021): 16-33. Accessed October 7, 2026. https://www.journal.jis-institute.org/index.php/jpsii/article/view/560.