Igbinovia EL, Ogbeide DO. Measuring the Efficiency of Selected Quoted Agricultural Firms in Nigeria: Data Envelopment Analysis (DEA) Approach. NAMJ [Internet]. 2018 Oct. 31 [cited 2026 Jul. 24];13(1):60-7. Available from: https://namj.tamn-ng.org/index.php/home/article/view/87