Okamura, K., Watanabe, K., Yonezu, K., Dang, H., Do, D., & Tran, T. (2014). Geochemical behavior of REE associated with Laterization process in Daklak Province, Southern Viet Nam. Science and Technology Development Journal, 17(3), 69-75. https://doi.org/https://doi.org/10.32508/stdj.v17i3.1477