D. H. Elzobaidy, M. A. Ferkash, and M. A. Mohammed, “The Post Graduate Studies-Reality and the Future Horizons (A Case Study in the Faculty of Agriculture University of Omar Al-Mouktar)”, mjsc, vol. 12, no. 1, pp. 36–46, Dec. 2005, doi: 10.54172/mjsc.v12i1.540.