USING THE WATER QUALITY INDEX (WQI-NSF) FOR GROUNDWATER ASSESSMENT FOR DRINKING PURPOSES IN NORTH, EAST AND NORTHEAST KIRKUK CITY , IRAQ. Brit. Jour. of Glob. Eco. and Sust. Deve. [Internet]. 2023 Feb. 14 [cited 2026 Jan. 31];13:53-62. Available from: https://journalzone.org/index.php/bjgesd/article/view/234