Inorganic Geochemistry and Origin of Bitumen Intruded in Euphrates and Fatha Formations in Hit Area, Western Iraq. Iraqi Journal of Science [Internet]. 2022 Feb. 4 [cited 2024 Apr. 27];57(4A):2478-89. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6375