Gracesheila Florencia Tumbelaka, Aang Afandi, & Kartika DS Susilowati. (2025). 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. International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC), 3(3), 905–914. https://doi.org/10.61990/ijamesc.v3i3.520