Villegas, Ma. Richel, and Gaudencio Abellanosa. “Technical Efficiency of Catfish Farms in Davao City: An Application of Data Envelopment Analysis”. Business and Organization Studies e-Journal 1, no. 1 (March 5, 2023): 94–120. Accessed December 23, 2024. https://ieesjournals.com/index.php/bosej/article/view/152.