Akinrinmola, F.K., Ogunwande, I.O., Esan, M.O. MEASUREMENT OF TECHNICAL EFFICIENCY DISPARITY OF COCOA PRODUCTION BY CERTIFICATION STATUS IN OGUN STATE, NIGERIA. njaat [Internet]. 2025 Dec. 31 [cited 2026 Apr. 29];5(4B):19-2. Available from: https://www.njaat.com.ng/index.php/njaat/article/view/1357