Dinh, Do Duy, Thai Hong Nam, and Vu Hoai Nam. 2018. “Effects of Higher Maximum Speed Limits to Vehicle Speeds: A before - After Analysis on Rural Divided Highways in Vietnam”. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE 12 (3):132-37. https://doi.org/10.31814/stce.nuce2018-12(3)-13.