M. L. A. Valdez, D. P. De Luna, C. C. H. Diaz, J. M. Corral, and A. B. Tayobong, “Customers’ Satisfaction relative to the Operational Services of the College of Arts and Sciences: Basis for its Continuous Quality Improvement”, ijels, vol. 5, no. 6, Nov. 2020, Accessed: Apr. 24, 2025. [Online]. Available: https://journal-repository.com/index.php/ijels/article/view/2739