Sani, R. M., Jibril, S. A., and Joseph, M. 2018. “TECHNICAL EFFICIENCY OF MAIZE-BASED CROPPING SYSTEMS AMONG RAIN FED FARMERS IN ADAMAWA STATE, NIGERIA”. Journal of Agripreneurship and Sustainable Development 1 (1):74-81. https://doi.org/10.59331/jasd.v1i1.36.