Minh Tri, Vo, Ung Ngoc Quang, Duong Ton Dam, To Anh Dung, and Nguyen Minh Hai. “ON THE PROBLEM OF RANDOMLY CHECKING IMPORT - EXPORT GOODS”. Science and Technology Development Journal 7, no. 11 (November 30, 2004): 13-18. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3271.