KOCHARY, SHAWKAT AHMED YASEEN, BAHZAD MOHAMMAD ALI NOORI, and TOM D. BYL. “HEAVY METALS CONTAMINATION OF SHALLOW GROUND WATER IN DIRECT CONTACT WITH FAILED SEPTIC TANKS”. Journal of Duhok University 20, no. 1 (July 28, 2017): 220-230. Accessed May 5, 2024. https://journal.uod.ac/index.php/uodjournal/article/view/32.