KOCHARY, S. A. Y., B. M. A. NOORI, and T. D. BYL. “ASSESSMENT OF SELECTED PHYSICO-CHEMICAL PARAMETERS OF GROUND WATER IN DIRECT CONTACT WITH SEPTIC TANKS: EXPERIMENTAL MODELING”. Journal of Duhok University, Vol. 20, no. 1, July 2017, pp. 231-40, doi:10.26682/sjuod.2017.20.1.21.