فهد بن ناصر إبراهيم البركه

Al-Barakah, F. N.; R. A. Abdel-Aziz; and S.M.A. Radwan (2011). Response of alfalfa to Inoculation with Sinorhizobium meliloti strains Indigenous to Saudi Arabian Soils . American-Eurasian Journal of Agricultureal Environmental Sciences.10 ,193-199.