Soleman, N., Emad, Saad Jasim, H., هالة, O. Al jbouri, M., & مطیع. (2021). A Study of the chemical nature of sulfur-containing rocks and Frasch sulfur in the Al-Mishraq Sulfur field. Journal of Education and Science (JES), 30(1), 1–9. https://doi.org/10.33899/edusj.2020.126714.1051