Akmal, Eri, Harry Patuan Panjaitan, and Yanti Mayasari Ginting. “Service Quality, Product Quality, Price, Promotion, and Location on Customer Satisfaction and Loyalty in CV. Restu”. Journal of Applied Business and Technology 4, no. 1 (January 31, 2023): 39-54. Accessed February 20, 2024. https://e-jabt.org/index.php/JABT/article/view/118.