Graha, H. P. R., Z. Maulana, M. D. P. Yanti, T. W. Putri, and P. Widiatmoko. “Development of Sulfonated Aromatic Proton Exchange Membranes Containing Biphenyl Moieties for Water Electrolysers”. ITB Graduate School Conference, vol. 3, no. 1, Oct. 2023, pp. 397-09, https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/159.