Nguyen, C.-T.-C., Doan, N.-A.-K. and Tran, V.-H. 2026. Sensor-Free Millimeter-Level Water Depth Estimation for Flood-Aware Route Optimization: Online First: 25/09/2026. Journal of Technical Education Science. (Sep. 2026). DOI:https://doi.org/10.54644/jte.2026.2503.