Gonggo ST, Radiman CL, Bundjali B, Arcana IM. Properties of Polymer Electrolyte Membranes Prepared by Blending Sulfonated Polystyrene with Lignosulfonate. J. Math. Fund. Sci. [Internet]. 2014Aug.7 [cited 2025Nov.5];44(3):285-9. Available from: https://journals.itb.ac.id/index.php/jmfs/article/view/115