N. G. Al-Zaidy, R., رغد, Ibrahim, N., نجوى, N. Al-Niemi, A. and عبد (2021) “Determination of the efficiency of the type Sinorhizobium meliloti L the formation of root nodules on different Medicago sativa varieties”, Journal of Education and Science (JES), 30(3), pp. 133–149. doi: 10.33899/edusj.2021.168643.