Fayaz, Muhammad, and Do-Hyeun Kim. “A Risk Estimation Methodology Based on Machine Learning Algorithms in Underground Metro Structures”.
International Journal of Engineering and Technology 7, no. 4.39 (December 13, 2018): 545–549. Accessed April 28, 2025.
https://sciencepubco.com/index.php/IJET/article/view/24373.