Van Den, Nguyen. “STUDYING THE COATED PAPER USING THE METHOD OF HATR”. VNUHCM Journal of Science and Technology Development 5, no. 7&8 (August 31, 2002): 68-72. Accessed April 22, 2025. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3431.