Estimation of selected heavy metals and bacteria in sludge of wastewater treatment unit at AL-Nassiryia city southern of Iraq. University of Thi-Qar Journal of Science, [S. l.], v. 6, n. 3, p. 107–114, 2019. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/42.. Acesso em: 28 apr. 2024.