Gracesheila Florencia Tumbelaka, Aang Afandi, and Kartika DS Susilowati, “BUSINESS PROCESS MODEL AND NOTATION (BPMN) DESIGN FOR A BARCODE SCANNER-BASED SALES INFORMATION SYSTEM AT THE COOPERATIVE OF THE ACCOUNTING DEPARTMENT, STATE POLYTECHNIC OF MALANG”, IJAMESC, vol. 3, no. 3, pp. 905–914, Jun. 2025.