Do Ngoc, A., D. . Dias, and T. 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, vol. 43, no. 4, Aug. 2021, pp. 409-23, doi:10.15625/2615-9783/16442.