Xuan, P. T., Anh, T. T., Tra, D. T. T., Nga, H. T. T., Dang, P. T., Lien, N. T., & Pho, N. V. (2015). Environmental isues of mining activities in Tay Nguyen. Vietnam Journal of Earth Sciences, 37(2), 139–147. https://doi.org/10.15625/0866-7187/37/2/7369