Hung, Pham Van, Pham Quang Son, and Nguyen Van Dung. “The Study Evaluated Arming of Risk of Lanslide in Hoa Binh and Son La Reservoir Hydropower Area on the Basis of Analyzing High-Resolution Remote Sensing and Geographic Information Systems”. Vietnam Journal of Earth Sciences 37, no. 3 (February 21, 2016): 193–203. Accessed December 6, 2021.