[1]Nguyet, N.T.A. et al. 2018. Human exposure to radon radiation geohazard in Rong Cave, Dong Van Karst Plateau Geopark, Vietnam. Vietnam Journal of Earth Sciences. 40, 2 (May 2018), 117–125. DOI:https://doi.org/10.15625/0866-7187/40/2/11092.