Water Quality Assessment of Al-Gharraf River, South of Iraq Using Multivariate Statistical Techniques. Al-Nahrain Journal of Science, [S. l.], v. 20, n. 2, p. 114–122, 2017. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/89.. Acesso em: 27 apr. 2024.