Mahdi1, A., 		Al-Beyati2, F., 		Al Tarif, A., 		H. Shendi4, E., & 		.Abdel-fattah4, M.
(2019).
 Palynofacies and Paleoenvironment investigation of the Hauterivian – Early Aptian Ratawi and Zubair formations, Balad oilfield, Central Iraq.
<em>Tikrit Journal Of Pure Science, 24</em>(6), 74-80.
doi:10.25130/j.v24i6.890