Trong, T.D. and Dung, L.N. 2024. Study on the positioning efficiency of GNSS RTK for road profile surveys - case study in Vietnam. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE. 18, 2 (Jun. 2024), 86–98. DOI:https://doi.org/10.31814/stce.huce2024-18(2)-07.