Tran Thi Hong. SPECTRAL ANALYSIS OF Tb3+ /Sm3+ ION DOPED IN TeO2 - B2O3 - ZnO - Na2O GLASS. jshe [Internet]. 2017Mar.28 [cited 2024May20];7(1):16-1. Available from: https://jshe.vn/index.php/jshe/article/view/741