C. I. Oyewole, . B. O. Aliyu, and . E. S. Ajih, “Effect of organic phosphorus (cow dung) on the growth and yield of water melon (Citrullus lanatus (Thunb.) in Anyigba, Kogi state, Nigeria”, GSC Biol. Pharm. Sci., vol. 10, no. 3, pp. 095–103, Mar. 2020.