Zafir, Akram, Ahmed Abuharara, and Ayman Nassar. 2022. “The Microfacies Analysis and Depositional Environment of the Middle-Late Oligocene Al Abraq Formation, N Cyrenaica Promontory, Northeast Libya”. AlQalam Journal of Medical and Applied Sciences 5 (2):517-26. https://uta.edu.ly/journal/index.php/Alqalam/article/view/184.