OMAR AHMED AL-BADRANI; FARIS NEJRIS HASSAN. Calcareous nannofossils bioevent throughout the Cretaceous -Tertiary boundary in kh-4 well, Northern Iraq. Tikrit Journal of Pure Science, [S. l.], v. 26, n. 1, p. 60–66, 2022. DOI: 10.25130/tjps.v26i1.100. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/100. Acesso em: 3 jul. 2024.