Akbar, Dwiki Aulia, and Ika Ratna Indra Astutik. “Website-Based Sales Information System at One Coffe Point Cafe”. Procedia of Engineering and Life Science 1, no. 2 (July 14, 2021). Accessed July 27, 2024. https://pels.umsida.ac.id/index.php/PELS/article/view/1008.