Assessing the Drinking Water Quality Index in Arid Areas: An Analysis of the El Hadjeb Region in Biskra, Southeastern Algeria. Iraqi National Journal of Earth Science (INJES), [S. l.], v. 26, n. 4, p. 283–292, 2026. DOI: 10.33899/injes.v26i4.61113. Disponível em: https://earth.uomosul.edu.iq/index.php/earth/article/view/61113. Acesso em: 30 sep. 2026.