A. EL HAG, A.; A. HASSABO, A.; BUSHARA INTESAR, I. .; TURKI, Y. .; O. EISA, M. Determine phosphorus and calcium in soil of the grazing area, El-Khuwei locality, West Kordofan State, Sudan. Scientific Journal of Veterinary Advances, v. 3, n. 8, p. 91-95, 29 Aug. 2014.