Kirana M, Purwanto A. UI/UX Design of a Web-Based Bag Sales Information System Using the Waterfall Method and Usability Evaluation with SUS: A Case Study of Carrefour Bag MSME. CJ [Internet]. 2026 Aug. 30 [cited 2026 Aug. 13];4(2):71-80. Available from: https://journal.ypmma.org/cj/article/view/466