Syahrial, A., C. Lauren, S. Aurelita, S. I. S. Pasaribu, L. S. Tarigan, O. M. Siregar, and U. S. Sitorus. “Beyond the Cup: An Analysis of the Influence of Social Media Marketing and Mobile Application Usability on Customer Engagement Among Coffee Enthusiasts”. The Management Journal of Binaniaga, vol. 11, no. 01, June 2026, pp. 41-60, doi:10.33062/mjb.v11i01.131.