Mohammad Jamil Ali Al-Talabani. Stratigraphic study of Qalqula Formation, Sulaymaniyah Governorate - NE Iraq. Tikrit J. Pure Sci. [Internet]. 2019 Jan. 20 [cited 2024 Jul. 22];23(10):60-5. Available from: https://tjps.tu.edu.iq/index.php/tjps/article/view/564