Zulkarnain, Hidayathul Afifa, and Deli Silvia. “Development of Offset-Based Printing Business Model”. Indonesian Journal of Business and Entrepreneurship (IJBE) 8, no. 2 (May 31, 2022): 274. Accessed October 8, 2022. https://jurnal.ipb.ac.id/index.php/ijbe/article/view/41376.