Jaafar J, Ismail AF, Matsuura T. Enhanced Swelling and Barrier Properties Stability of SPEEKbased Polymer Electrolytes Nanocomposite Membran. AMST [Internet]. 2017 Nov. 22 [cited 2024 Apr. 26];13(1). Available from: https://amst.utm.my/index.php/amst/article/view/88