Effect of Waste Water Disposed from Al-Taji Gas Filling Company on Tigris River. Journal of the College of Basic Education, [S. l.], v. 15, n. 58, p. 611–622, 2022. DOI: 10.35950/cbej.v12i58.7620. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7620.. Acesso em: 3 jul. 2024.