Study of Planktonic Foraminferal biostratigraphy and depositional environment of Khasib, Tanuma and Saadi Formations in well Agel -12- Northeastern Tikrite. Iraqi Journal of Science [Internet]. 2023 Dec. 30 [cited 2024 Nov. 22];54(3):617-2. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12164