J. M. . Macam, J. E. . Dela Torre, S. V. . Javier, and C. M. . Sto Tomas, “E-Commerce Transaction System Core II (Product and Shop Management, Order Cancellation, Delivery Management, Vendor/Seller Management, Order Management): Vol.4, No.1”, AASgBCPJMRA, vol. 4, no. 1, Jun. 2024.