Bin Yahia ع. ع., Babreash و. م. and Saif ر. م. (2021) “Impact of sewage on some physicochemical properties of ground water wells- Tarim city - Yemen”, University of Aden Journal of Natural and Applied Sciences, 25(1), pp. 37–46. doi: 10.47372/uajnas.2021.n1.a05.