“Utilization of Diets Containing Dura (Sorj’hum Vulgare) Grain Husk and Poultry Litter for Fattening Lambs ”. 2003. The Sudan Journal Of Animal Production المجلة السودانية للانتاج الحيواني 16 (16): 7. https://sud-jap.sd/Journal/index.php/sjap/article/view/141.