Al- Ariqi, W. and Ghaleb, A. 2010. Assessment of hydrochemical quality of ground water under some urban areas within Sana’a secretariat. Eclética Química. 35, 1 (Mar. 2010), 77–84. DOI:https://doi.org/10.26850/1678-4618eqj.v35.1.2010.p77-84.