Trinh, Vu, and Chon Le. “The Experimental Results of the RTK GPS Measurement Using 3G Mobile Network and Internet”. Science and Technology Development Journal 18, no. 1 (March 31, 2015): 48-57. Accessed April 28, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/941.