Tuấn, Hoàng Văn, Trần Đăng Quy, Nguyễn Văn Vượng, and Mai Trọng Nhuận. 2013. “Orientation of Functional Zoning for Sustainable Use of Environment and Natural Resources in Tien Yen Bay”. Vietnam Journal of Earth Sciences 34 (4):486-94. https://doi.org/10.15625/0866-7187/34/4/2808.