Ridho, Ridho, and Eko Suharyanto. 2026. “Rancang Bangun Sistem Informasi Point Of Sale Berbasis Web Menggunakan Metode Personal Extreme Programming (Studi Kasus: Vapetastic Vapeshop)”. Journal of Information Systems and Business Technology 2 (4): 1282-89. https://journal.jci.co.id/jisbt/article/view/785.