Bui, N., Pham, H., Pham, M., & Le, P. (2021). Mineral characteristics of metacarbonat in Sa Thay, Kon Tum and potential use for gemstone. Science & Technology Development Journal: Natural Sciences, 5(2), 1086-1100. https://doi.org/https://doi.org/10.32508/stdjns.v5i2.962