2022. Depositional Environment of Middle Jurassic Sargelu Formation Based on Petrographical Study in selected wells at Balad, Ajil, and Baiji Oilfields, Central Iraq. Tikrit Journal of Pure Science. 27, 3 (Nov. 2022), 31–42. DOI:https://doi.org/10.25130/tjps.v27i3.53.