Yusuf, S.A., and O. Malomo. “Technical Efficiency of Poultry Egg Production in Ogun State: A Data Envelopment Analysis (DEA) Approach”. International Journal of Poultry Science 6, no. 9 (August 15, 2007): 622–629. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/823.