Yusoff, Y.N. et al. 2025. Enhanced Proton Conductivity as Bio-Based Electrolyte Membranes in Fuel Cell Application: The Role of Sulfonated Graphitic Carbon Nitride. Karya International Journal of Biofuel and Bioenergy . 1, 1 (Mar. 2025), 1–13. DOI:https://doi.org/10.37934/kijbb.1.1.113.