Gibberson, D. I., Joshua, O.-S. D., & Justice, O. (2017). The Effect of Deficit Irrigation, Manure and NPK on Quality and Proximate Content of Orange Fleshed Sweet Potato (OFSP). The International Journal of Science & Technoledge, 5(2). Retrieved from http://internationaljournalcorner.com/index.php/theijst/article/view/123426