E-Commerce Transaction System Core II (Product and Shop Management, Order Cancellation, Delivery Management, Vendor/Seller Management, Order Management): Vol.4, No.1. AASgBCPJMRA. 2024;4(1). Accessed December 8, 2025. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/14145