Van, H. N., Hoan, B. T., Duy-Hung, N., Tam, P. D., Khoi, N. T., Thang, C. X., & Vuong-Hung, P. (2017). Red light emission of Mn doped beta-tricalcium phosphate -Ca3(PO4)2. Vietnam Journal of Chemistry, 55(5), 633. https://doi.org/10.15625/2525-2321.2017-00521