Asih, R., Muhammad, M., Rahmadani, O. B., Tiyarno, M. P., Lestari, D. S., & Sasmitaningrum, I. D. (2024). Membrane Inovation for Proton Exchange Membrane Fuel Cells (PEMFCs) Based on Duck Feather Keratin Extract as Environmentally Friendly and Efficient Alternative Energy. Proceeding of International Joint Conference on UNESA, 2(2). Retrieved from https://proceeding.unesa.ac.id/index.php/pijcu/article/view/4150