Tuan, Le Phu, Takaaki Nihei, Zaheer Ahmed, Najaf Ali, and Vu Thi Kim Oanh. “Formulating a User-Friendly Toolkit for Assessing Sustainable Ecotourism Potential in Protected Areas: A Case Study of Xuan Thuy Ramsar Site”. Dinasti International Journal of Education Management And Social Science 6, no. 3 (March 8, 2025): 2490–2505. Accessed April 24, 2025. https://dinastipub.org/DIJEMSS/article/view/4050.