Adewumi, S. O., Mahmud, H. U. ESTIMATION OF COSTS AND RETURN OF SWEET POTATO PRODUCTION IN OFFA LGA, KWARA STATE, NIGERIA. JASD [Internet]. 2023 Apr. 3 [cited 2024 Dec. 12];6(1):35-40. Available from: https://njaat.com.ng/index.php/jasd/article/view/389