Nga, V.H., Phúc, Đoàn T. and Dân, H.K. (2020) “EFFECTS OF HEAT TREATMENT ON THE UPCONVERSION AND NEAR-INFRARED EMISSIONS OF ERBIUM IN TRANSPARENT TELLURITE GLASS-CERAMICS”, Dalat University Journal of Science, 10(2), pp. 105–116. doi:10.37569/DalatUniversity.10.2.640(2020).