Hameed, R. A. H., hussain, N. N. H., & Aljibouri, A. aljasim M. A. (2015). Genetic Variation of Sinorhizobium meliloti Isolates Differing in Their Ability to Drought Tolerance. Journal of Biotechnology Research Center (JOBRC), 9(2), 7–22. https://doi.org/10.24126/jobrc.2015.9.2.427