Thuy Nguyen, Duong, Dung Chi Nguyen, Thuy Thi An, Chun- Yuan Huang, Chuan- Chou Shen, Czuppon György, Dong Van Bui, et al. “Stable Isotope Potential of Northern Vietnam Stalagmites: A 51-Cave Survey With the Hendy Test and U Th Analysis”. Vietnam Journal of Earth Sciences (December 31, 2025). Accessed January 8, 2026. https://vjes.vast.vn/jse/article/view/24038.