A stand-alone hydrogen photovoltaic fuel cell hybrid system for efficient renewable energy generation. Periodicals of Engineering and Natural Sciences, [S. l.], v. 10, n. 1, p. 557–572, 2022. DOI: 10.21533/pen.v10.i1.559. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/559. Acesso em: 9 jul. 2026.