Nguyễn Văn Sỹ, Nguyễn Thành Tâm, and Trần Thăng Long. “Crash Behavior and Energy Absorption of bus’s Front Structure under Dynamic Impact”. Journal of Technical Education Science, vol. 12, no. 4, Oct. 2017, pp. 37-42, https://www.jte.edu.vn/index.php/jte/article/view/521.