Upik Bina Sari Maha, Manuntun Pakpahan, and Mesra B. “ANALYSIS OF PRODUCT QUALITY ON CONSUMER SATISFACTION WITH PROMOS I AS AN INTERVENING VARIABLE (Five Mind Development Students)”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 3, no. 6 (May 22, 2024): 1067–1079. Accessed September 11, 2025. https://ijset.org/index.php/ijset/article/view/468.