AL-SHAMMA’A, Ayser; HASSAN, Reyam A. Pollution Assessment of Surface and Drainage Water by Heavy Elements in Al Ahrar District, Wasit Governorate, Iraq. Iraqi Journal of Science, [S. l.], v. 59, n. 2B, p. 886–891, 2018. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/326.. Acesso em: 8 dec. 2025.