[1]Quynh, H.Q. et al. 2016. WEBGIS technology for management and sharing spatial data of protected area, a case study in Xuan Lien nature reserve, Thanh Hoa. <i>Vietnam Journal of Science and Technology</i>. 54, 4 (Aug. 2016), 460–471. DOI:https://doi.org/10.15625/0866-708X/54/4/7356.