العيسى . د. م. ا. س. “Effect of the Geological Situation of the Late Jurassic-Early Cretaceous Period of the Region Between the Upper and Lower Zab Rivers on the Oil Potential of the Najmah Formation-North Iraq”. Journal of Petroleum Research and Studies, vol. 11, no. 1, Mar. 2021, pp. 20-48, doi:10.52716/jprs.v11i1.440.