Fatur, Mohammed, Asma Himmed, Abu bakr Ismail, Hafiz Ali, and Magda Elmahdi. 2015. “The Effect of Chicken Manure on the Yield and Nutritive Value of Fodder Sorghum Sudanese Under Rain-Fed Conditions”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24 (7): 143-49. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5027.