Thach, Nguyen, & Pham Xuan Canh. " Risk assessment of flash – muddy flood and inundation of western Tam Dao mountainous region, Vinh Phuc province, Vietnam by using intergrated concept of hydrology and geomorphology." VNU Journal of Science: Earth and Environmental Sciences [Online], 28.1 (2012): n. pag. Web. 29 Apr. 2024