Sulphur, Organic Carbon, Organic Nitrogen, Iron Relationships and Diagenesis of Black Shales in Tenom and Ranau Regions , West Sabah, Malaysia. المجلة العلمية لكلية العلوم, [S. l.], v. 5, n. 1, p. 67–78, 2025. DOI: 10.37375/sjfssu.v5i1.3039. Disponível em: https://elc2.su.edu.ly/index.php/jsfsu/article/view/3039. Acesso em: 7 ديسمبر. 2025.