Vy, Nguyen, and Le Duy. “The The Research to Improve the Mechanical Properties and the Water Barrier Properties of Polyvinyl Ancol Film by Graphen Oxide”. Science & Technology Development Journal: Natural Sciences 4, no. 2 (June 6, 2020): 421-429. Accessed April 19, 2024. http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/601.