Sirwan Yassin S, Jabbar Toma J. Concentration of heavy metals in some springs in the Shaqlawa district, Erbil Governorate, Kurdistan Region of Iraq. Tikrit J. Pure Sci. [Internet]. 2026 Apr. 25 [cited 2026 Apr. 25];31(2):49-57. Available from: https://www.tjpsj.org/index.php/tjps/article/view/1978