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”. International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC), vol. 3, no. 3, June 2025, pp. 905-14, doi:10.61990/ijamesc.v3i3.520.