Hia, Roy Andi Saputra, Lia Nazliana Nasution, and Dewi Mahrani Rangkuty. “The Role of Electronic Payment Systems in Improving Monetary Efficiency in Indonesia”. Journal of Management, Economic, and Accounting 5, no. 3 (July 30, 2026): 1945–1954. Accessed July 31, 2026. http://jurnalunived.com/index.php/JMEA/article/view/1583.