Azaro, Khoirin, Kurnia Ekasari, and Andi Indrawan. “The Analysis of Business Process Management Notation (Purchase Order) in Small Medium Enterprise: A Case Study”. Journal of Industrial Engineering & Management Research 2, no. 3 (June 4, 2021): 96 - 100. Accessed November 19, 2024. https://jiemar.org/index.php/jiemar/article/view/147.