Biological analysis of drinking water in some primary and secondary schools at Aden Governorate
By: Hasan, Nada al-Sayyid; Muqbil, Najah Ali; al-Ballem, Fadl Abd Allah. University of Aden Journal of Natural and Applied Sciences. Vol. 12, no. 3 (Dec. 2008), pp.509-516, 8 p.
Subjects: Aden; Microbiology; Yemen; Drinking water; Pollution