Nguyen, Hung, Huy Nguyen, and Vu Dinh. “AN APPROACH OF UBIQUITOUS DEVICES USING T-ENGINE IN VIETNAM”. VNUHCM Journal of Science and Technology Development 14, no. 4 (December 30, 2011): 16-23. Accessed July 1, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2003.