Do Ngoc, Anh, Daniel Dias, and Thang Trong Dang. “A Numerical Investigation of the Impact of Shield machine’s Operation Parameters on the Settlements above Twin Stacked Tunnels - A Case Study of Ho Chi Minh Urban Railway Line 1”. Vietnam Journal of Earth Sciences 43, no. 4 (August 19, 2021). Accessed October 19, 2021. https://vjs.ac.vn/index.php/jse/article/view/16442.