1.
Doan V. Gemological characteristics and the quality of sapphire from Krong H’Nang - Dak Lak. Science & Technology Development Journal: Natural Sciences [Internet]. 29Nov.2018 [cited 22Dec.2024];1(T5):263-9. Available from: http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/559