Dao, Loc, and Hung Chu. “ESTIMATION OF BENCHMARK’S STABILITY BY ADJUSTMENT OF FREE GEODETIC ELEVATION BASE NETWORK”. Science and Technology Development Journal 12, no. 18 (December 15, 2009): 69-75. Accessed May 19, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2385.