Alassaf, Yahya, Abdelkader Mabrouk, Mehrez Jamei, and Anwar Ahmed. 2024. “A Failure Criterion of Weak and Crushable Limestone Rock in Mining Field Containing Karstic Cavities”. Engineering, Technology & Applied Science Research 14 (3). Greece:14692-97. https://doi.org/10.48084/etasr.7295.