[1]
A. A. El Hag, A. A. Hassabo, I. . Bushara Intesar, Y. . Turki, and M. O. Eisa, “Determine phosphorus and calcium in soil of the grazing area, El-Khuwei locality, West Kordofan State, Sudan”, Sci. J. Vet. Adv., vol. 3, no. 8, pp. 91-95, Aug. 2014.