Hassan, H. and 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 (Feb. 2016), 4–10. DOI:https://doi.org/10.14419/ijsw.v4i1.5482.