A. Umaru, M., J. B. Adeyanju, H. S. Garba, E. O. Oyedipe, S. . Buhari, A. . Bello, A. . Jibril, and U. . Adamu. “Comparative Evaluation of Some Surgical Approaches to Recovery and Transfer of Caprine Embryos in the Red Sokoto Goat (RSG)”. Scientific Journal of Veterinary Advances, vol. 2, no. 3, Mar. 2013, pp. 41-47, http://sjournals.com/index.php/sjva/article/view/1470.