MAHDI1, Adnan Q. et al.
 Palynofacies and Paleoenvironment investigation of the Hauterivian – Early Aptian Ratawi and Zubair formations, Balad oilfield, Central Iraq.
<strong>Tikrit Journal of Pure Science</strong>, [S.l.], v. 24, n. 6, p. 74-80, nov. 2019.
ISSN 2415-1726.
Available at: &lt;<a href="http://tjps.tu.edu.iq/index.php/j/article/view/890" target="_new">http://tjps.tu.edu.iq/index.php/j/article/view/890</a>&gt;. Date accessed: 17 nov. 2019.
doi: <a href="http://dx.doi.org/10.25130/j.v24i6.890">http://dx.doi.org/10.25130/j.v24i6.890</a>.