Adewumi, S. O., and Mahmud, H. U. “ESTIMATION OF COSTS AND RETURN OF SWEET POTATO PRODUCTION IN OFFA LGA, KWARA STATE, NIGERIA”. Journal of Agripreneurship and Sustainable Development, vol. 6, no. 1, Apr. 2023, pp. 35-40, doi:10.59331/jasd.v6i1.389.