Huy, Nguyen Quoc, 		Van Manh, Pham, 		Xuan  Linh, Nguyen, 		Vu Dong, Pham, AND 		Quang Thanh, Bui.
" Building a travel advisory system using WebGIS technology for tourism development in Quang Binh, Vietnam" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], Volume 35 Number 3 (13 September 2019)