Bui N, Nguyen H. Mineralogical characteristics and the gem quality of corundum in Khe tre area, Eakar, Daklak. Science and Technology Development Journal [Internet]. 30Dec.2015 [cited 25Nov.2024];18(4):55-6. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/928