Luong, Nguyen Viet, et al. “An Analysis of Forest Biomass Changes Using Geospatial Tools and Ground Survey Data: A Case Study in Yok Don National Park, Central Highlands of Vietnam”. <i>Vietnam Journal of Earth Sciences</i>, vol. 36, no. 4, Dec. 2014, pp. 439-50, doi:10.15625/0866-7187/36/4/6432.