Soyangco, Philippe R., Ma. Reinadel D. Riva, Peter G. Narsico, Marvin Ian E. Niere, and Lalaine O. Narsico. “Optimizing Call Center Productivity through Key Work Environment Factors”. International Journal of Multidisciplinary: Applied Business and Education Research 5, no. 11 (November 27, 2024): 4759-4787. Accessed April 24, 2025. https://ijmaberjournal.org/index.php/ijmaber/article/view/2045.