de Guzman, Maria Corazon Gwendolyn N., and Emilyn Cabanda. “Selected Private Higher Educational Institutions In Metro Manila: A DEA Efficiency Measurement”. American Journal of Business Education (AJBE) 2, no. 6 (September 1, 2009): 97–108. Accessed July 17, 2024. https://clutejournals.com/index.php/AJBE/article/view/4092.