Tsinigo, E., K. Ohene-Yankyerah, and S. C. Fialor. “Impact of Improved Rice Variety on Productivity Among Smallholder Farmers in Ghana”. Turkish Journal of Agriculture - Food Science and Technology, vol. 5, no. 2, Feb. 2017, pp. 164-9, doi:10.24925/turjaf.v5i2.164-169.989.