Bui H, Ngo D-N. The research determines appropriate parameters in the synthesis process of syringic acid grafted chitooligosaccharides. Science and Technology Development Journal [Internet]. 22Aug.2019 [cited 23Sep.2019];22(3):317-23. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1289