Fawole, O. P. (1 September 2007). "Constraints to Production, Processing and Marketing of Sweet-Potato in Selected Communities in Offa Local Government Area, Kwara State Nigeria". Journal of Human Ecology. 22 (1): 23–25. doi:10.1080/09709274.2007.11905994. ISSN0970-9274. S2CID9795960.
Fawole, O. P. (1 September 2007). "Constraints to Production, Processing and Marketing of Sweet-Potato in Selected Communities in Offa Local Government Area, Kwara State Nigeria". Journal of Human Ecology. 22 (1): 23–25. doi:10.1080/09709274.2007.11905994. ISSN0970-9274. S2CID9795960.
Fawole, O. P. (1 September 2007). "Constraints to Production, Processing and Marketing of Sweet-Potato in Selected Communities in Offa Local Government Area, Kwara State Nigeria". Journal of Human Ecology. 22 (1): 23–25. doi:10.1080/09709274.2007.11905994. ISSN0970-9274. S2CID9795960.