Pereira, Vitor Gabriel Fonseca, and Sebastião Ribeiro Júnior. “Hybrid PEM Fuel Cell and Ultracapacitor Propulsion System for Energy-Efficient Vehicles”. Semina: Ciências Exatas e Tecnológicas 47 (September 1, 2026): e54642. Accessed October 27, 2026. https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/54642.