Meutia, Zahara, and Putri Mauliza. “The Effect of Marketing Mix on Purchase Decisions at MSME in Medan”. Journal of Management Science (JMAS) 8, no. 2 (April 5, 2025): 479–485. Accessed April 30, 2026. https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/541.