Dung, Truong, and Do Cuong. “DESIGNING & DEVELOPPING A SEARCH ENGINE BY VIETNAMESE KEYWORDS”. VNUHCM Journal of Science and Technology Development 7, no. 4&5 (May 31, 2004): 83-88. Accessed August 1, 2025. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3200.