Nakhaei, Jalal, Mahdi Bitarafan, and Shahin Lale Arefi. “Choosing the Best Urban Tunnels As Safe Space in Crisis Using AHP Method: A Case Study in Iran”. Journal of Architecture and Urbanism 39, no. 2 (June 30, 2015): 149-160. Accessed June 25, 2021. https://journals.vgtu.lt/index.php/JAU/article/view/2899.