Suleiman, N. J., Mani, J. R., Hudu, M. I., Baba, D., and Yusuf, M., “COST-BENEFIT ANALYSIS OF TOMATO PRODUCTION AMONG SMALL-SCALE FARMERS IN KANO RIVER IRRIGATION PROJECT AREA OF KANO STATE, NIGERIA”, JASD, vol. 2, no. 1, pp. 39–46, Jun. 2019.