SAAD JASIM, H.; ABED HALO, thaer; O. AL JBOURI, M. A Study of the chemical nature of sulfur-containing rocks and Frasch sulfur in the Al-Mishraq Sulfur field. Journal of Education and Science, [S. l.], v. 30, n. 1, p. 1–9, 2021. DOI: 10.33899/edusj.2020.126714.1051. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42050. Acesso em: 10 sep. 2025.