Badrudin, Andhika Sakti, Eko Susanto, Fatah Syukur, Muhammad Thoyib, and Jumira Warlizasusi. “Measuring Customer Satisfaction in an Online Learning Environment A Seven-P Modeling Approach”. Educational Administration: Theory and Practice 30, no. 3 (April 4, 2024): 573–583. Accessed September 28, 2025. https://www.kuey.net/index.php/kuey/article/view/1239.