Farhadi Ayoublou, Farhad, Majid Taromi, and Abbas Eftekhari. “TUNNEL PORTAL INSTABILITY IN LANDSLIDE AREA AND REMEDIAL SOLUTION: A CASE STUDY”. Acta Polytechnica 59, no. 5 (November 1, 2019): 435–447. Accessed May 6, 2024. https://ojs.cvut.cz/ojs/index.php/ap/article/view/5017.