Nghi, T., 		Nam, L., 		Bui Din, D., 		Thanh, D., 		Hoa Phuong, T., 		Van Bao, D., & 		Trang, N.
(2023).
 Geological History of Caves and Conservation Values  of the World Nature Heritage Phong Nha-Ke Bang  National Park.
<em>VNU Journal Of Science: Earth And Environmental Sciences, 39</em>(4).
doi:10.25073/2588-1094/vnuees.4971