Rochmad K. Sanjaya et al. 2020. CHEMICAL DEGRADATION OF NAFION MEMBRANES UNDER PEMFC AS INVESTIGATED BY DFT METHOD. Jurnal Sains Materi Indonesia. 21, 2 (Jan. 2020), 49–55. DOI:https://doi.org/10.17146/jsmi.2020.21.2.5582.