Ngoc Toan, Doan, and Dau Van Ngo. “THE LEVEL OF BLOW EVALUATION THE HO CHI MINH STREET AT LO XO MOUNTAIN PASS - PRECAUTIONARY MEASURES”. Science and Technology Development Journal 8, no. 11 (November 30, 2005): 52-60. Accessed December 22, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3094.