Quynh, H. Q., Phuong, D. H., & Phuong, N. T. (2016). WEBGIS technology for management and sharing spatial data of protected area, a case study in Xuan Lien nature reserve, Thanh Hoa. Vietnam Journal of Science and Technology, 54(4), 460–471. https://doi.org/10.15625/0866-708X/54/4/7356