H Sultan, R., رائد, F. A Al-Safar, and فواز. “Isolation and Characterization of Salt Tolerant Strains of Sinorltizobium Meliloti”. Journal of Education and Science (JES), vol. 20, no. 2, Oct. 2007, pp. 94-104, doi:10.33899/edusj.2007.162948.