Hassan, H., & EL-Kamali, H. (2016). Effect of soil physico-chemical properties and plant type on bacterial diversity in semi- arid parts in central Sudan. Part ii. Sharq El-neel region, Khartoum state. International Journal of Scientific World, 4(1), 4-10. https://doi.org/10.14419/ijsw.v4i1.5482