Environmental Significance of Major and Trace Elements in the Soils of Selected Areas in Erbil City, Kurdistan Region, Northern Iraq. Iraqi National Journal of Earth Science (INJES), [S. l.], v. 13, n. 2, p. 15–32, 2013. DOI: 10.33899/earth.2013.79658. Disponível em: https://earth.uomosul.edu.iq/index.php/earth/article/view/41049. Acesso em: 22 jun. 2026.