Chuong, Le. “Calculation Methods the Jacking Force in Pipe Jacking Technology”. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE 11, no. 6 (December 31, 2017): 90-96. Accessed May 15, 2024. https://stce.huce.edu.vn/index.php/en/article/view/941.