“Utilization of Roselle (Hibiscus Subdariffa) Seed Meal in Diets for Growing Broiler Chickens”. The Sudan Journal Of Animal Production المجلة السودانية للانتاج الحيواني, vol. 3, no. 3, June 1990, pp. 96-103, https://sud-jap.sd/Journal/index.php/sjap/article/view/65.