Dung, T., Khanh, V., Phuc, H. N. H., Thao, P. N. T., Anh, L. T. K., Dung, T. L., Hau, T. V., Tien, H. V., Lam, T. H. and Giang, H. (2021) “Gelation time characterization method for polyvinyl alcohol-based hydrogel”, Science and Technology Development Journal, 24(3), pp. 2049-2057. doi: https://doi.org/10.32508/stdj.v24i3.2530.