Husni Muharram Ritonga, Roro Rian Agustin, and Ruli Arika. “Determinants of Consumer Purchase Decisions: An Empirical Analysis of Technology, Culture, Physical Evidence, and Promotion at Coffee Shop Medan”. International Journal of Economic, Technology and Social Sciences (Injects) 6, no. 1 (May 31, 2025): 303–307. Accessed December 12, 2025. https://jurnal.ceredindonesia.or.id/index.php/injects/article/view/1458.