The efficiency of chitosan-graphene oxide composite membranes modified with genipin in fuel cell applicationSelestina Gorgieva, Azra Osmić, Boštjan Genorio, Viktor Hacker, Sigrid Wolf and Silvo HribernikE3S Web Conf., 334 (2022) 04002DOI: https://doi.org/10.1051/e3sconf/202233404002