Phuc, La The, Pham Thi Kim Tuyen, Kieu Thanh Nga, and Nguyen Thi Nga. “Potential Geoheritages in Lao Cai - Suggestions Preservation and Development”. Vietnam Journal of Earth Sciences 36, no. 1 (June 19, 2014): 41–50. Accessed November 22, 2024. https://vjs.ac.vn/index.php/jse/article/view/4136.