Huy, N., Van Manh, P., Xuan Linh, N., Vu Dong, P., & Quang Thanh, B. (2019). Building a travel advisory system using WebGIS technology for tourism development in Quang Binh, Vietnam. VNU Journal Of Science: Earth And Environmental Sciences, 35(3). doi:10.25073/2588-1094/vnuees.4399