AL-SUDANI, I. M. Water Quality Assessment of Tigris River Using Overall Index of Pollution (OIP). Baghdad Science Journal, Iraq, Baghdad, v. 18, n. 2(Suppl.), p. 1095, 2021. DOI: 10.21123/bsj.2021.18.2(Suppl.).1095. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4742. Acesso em: 31 jul. 2021.