Kosim, Kosim, Asep Kosasih, and Angel Imannuel. “QRIS-Based Payment System at Loddy’s Pet Shop Cirebon”. Journal of Mathematics Instruction, Social Research and Opinion 5, no. 1 (April 3, 2026): 1129–1146. Accessed April 17, 2026. https://journal-gehu.com/index.php/misro/article/view/1008.