Do Ngoc, Anh, et al. “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”. <i>Vietnam Journal of Earth Sciences</i>, vol. 43, no. 4, Aug. 2021, pp. 409-23, doi:10.15625/2615-9783/16442.