Adnan Q. Mahdi, Fawzi M. Al-Beyati, A. M. Al Tarif, El-Arabi H. Shendi, & Mohamed I.Abdel-fattah. (2019). Palynofacies and Paleoenvironment investigation of the Hauterivian – Early Aptian Ratawi and Zubair formations, Balad oilfield, Central Iraq. Tikrit Journal of Pure Science, 24(6), 74–80. https://doi.org/10.25130/tjps.v24i6.440