Lestari, Sri, Muhamad Zaeni Nadip, Yuma Akbar, Aditya Zakaria Hidayat, and Raisah Fajri Aula. “Automatic Purchase Order Classification Using SVM in POS System at Skus Mart”. International Journal Software Engineering and Computer Science (IJSECS) 5, no. 2 (August 1, 2025): 811–819. Accessed April 21, 2026. https://journal.lembagakita.com/ijsecs/article/view/4564.