Akbar DA, Astutik IRI. Website-Based Sales Information System at One Coffe Point Cafe: Sistem Informasi Penjualan Di Kafe Titik Satu Kopi Berbasis Website. PELS [Internet]. 2021 Jul. 14 [cited 2025 Jun. 27];1(2). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1008