1.
Huong LTT, Haeger T, Phan T-L. Study of impurity in blue spinel from the Luc Yen mining area, Yen Bai province, Vietnam. Vietnam J. Earth Sci. [Internet]. 2018 Mar. 15 [cited 2024 Apr. 26];40(1):47-55. Available from: https://vjs.ac.vn/index.php/jse/article/view/10915