Dana K. Mawlood, Bruska S. Mamand. Use of Isotope Technique in Groundwater Investigation around Erbil City- Northern Iraq. ZJPAS [Internet]. 2021 Aug. 18 [cited 2025 Mar. 10];33(4):111-6. Available from: https://zancojournal.su.edu.krd/index.php/JPAS/article/view/2033