ANNUAL ASSESSMENT OF SELECTED HEAVY METALS (AL, CU, FE, MN) IN THE TIGRIS RIVER WATER AS A MAJOR SUPPLIER OF DRINKING WATER IN AL-DHULUIYA DISTRICT, IRAQ. Modern American Journal of Biological and Environmental Sciences, [S. l.], v. 2, n. 8, p. 1–23, 2026. Disponível em: https://usajournals.org/index.php/5/article/view/2619. Acesso em: 15 aug. 2026.