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 12, 2025. https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/5017.