Kareem1, Azad Taher, Hamadamin2, Rawaz Rostam, Mustafa3, Omed, Karim1, Hawber Ata, AND Salih4, Mamoon Qadir. " Transport Modeling and Leaching Kinetics in Groundwater of Shiwashok Oil field, Kurdistan Region, Iraq" Tikrit Journal of Pure Science [Online], Volume 25 Number 6 (23 December 2020)