Bui, Hoai, and Dai-Nghiep Ngo. “The Research Determines Appropriate Parameters in the Synthesis Process of Syringic Acid Grafted Chitooligosaccharides”. Science and Technology Development Journal 22, no. 3 (August 22, 2019): 317-323. Accessed April 20, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1289.