Adamu, B. D., Esheya, S. E., and Tanko, F. “EFFECTS OF FARM LABOUR MIGRATION ON CROP PRODUCTIVITY AMONG FARMERS IN KADUNA STATE, NIGERIA”. Journal of Agripreneurship and Sustainable Development, vol. 4, no. 3, Sept. 2021, pp. 109-20, doi:10.59331/jasd.v4i3.237.