Sani, R. M., Jibril, S. A., & 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