Dung, Truong, and Do Cuong. “DESIGNING & DEVELOPPING A SEARCH ENGINE BY VIETNAMESE KEYWORDS”. Science and Technology Development Journal 7, no. 4&5 (May 31, 2004): 83-88. Accessed July 22, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3200.