Sewage Sludge and Sediment Analyses as Indicators of Regional Heavy-Metal Pollution: A Case Study in El-Harrach, Algeria. Iraqi National Journal of Earth Science (INJES), [S. l.], v. 26, n. 4, p. 310–323, 2026. DOI: 10.33899/injes.v26i4.61125. Disponível em: https://earth.uomosul.edu.iq/index.php/earth/article/view/61125. Acesso em: 30 sep. 2026.