Hardiyanti, Siti Epa, and Masihullah Nemat. “The Expertise of Entrepreneur That Must Have on Increasing the Business Profit”. Management Science Research Journal 1, no. 4 (October 30, 2022): 22–29. Accessed May 31, 2026. https://www.smanagementscienceresearchjournal.com.msjr.my.id/index.php/msr/article/view/62.