Vo, T., Phung, T., Truong, H., Nguyen, L., Nguyen, O. and Le, P. (2019) “Physical-chemical and electrochemical properties of sodium ion conducting polymer electrolyte using copolymer poly(vinylidene fluoride- hexafluoropropylene) (PVDF-HFP)/ polyethylene oxide (PEO)”, Science and Technology Development Journal, 22(1), pp. 147-157. doi: https://doi.org/10.32508/stdj.v22i1.1230.