https://ult.fmipa.uho.ac.id/wp-content/upgrade/
Musa, M., & Elyounsi, M. (2019). Source Rock Evaluation of the Lower and the Upper Silurian Tanazefet Shale. Journal of Humanitarian and Applied Sciences, 4(8), 367–375. Retrieved from https://khsj.elmergib.edu.ly/index.php/jhas/article/view/217