1. Ashour M, Ardalan H (2010) Road embankment and slope stabilization. University transportation center for Alabama, report 09305
2. BC (2018) Project documents provided by the BOT Bien Cuong Joint Stock Company
3. Binh HT (2009) Landslide classification along Ho Chi Minh Route between Dakrong-Thachmy section and an appropriate proposal for coutermeasures. Proceeding of the Conference on Environmental Science and Technology 2019, Vietnam Institute of Transport Science and Technology, Hanoi, 30 October 2009, 7 pages (in Vietnamese).
4. Brinkgreve RBJ, Swolfs VM, Engin E (2010) Plaxis 2D 2010. Manual
5. DGM (1999) Geological Map of Ha Long city (F-48-xxx, Scale 1:200.000) published by the Department of Geology and Minerals of Vietnam