Binh H, Hao L. THE PROPOSAL OF ROCK MASS CLASSIFICATION FOR CONSTRUCTION HYDROELECTRIC POWER PROJECTS IN TAY NGUYEN AREA. VNUHCM Journal of Science and Technology Development [Internet]. 31Oct.2007 [cited 26Apr.2025];10(10):69-. Available from: https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2836