Sugiono, Edi, and Tia Siti Aisyah. “The Effect of Product Quality, Price and Promotion to Customer Satisfaction and Loyalty in You Coffee and Resto in Jagakarsa”. Open Access Indonesia Journal of Social Sciences 4, no. 1 (February 23, 2021): 181-194. Accessed February 24, 2025. https://journalsocialsciences.com/index.php/oaijss/article/view/38.