Energy Conversion Environmentaly Friendly Solutions To The Global Energy Crisis. JMEL : Journal of Mechanical Engineering Learning, [S. l.], v. 14, n. 1, p. 43–49, 2025. DOI: 10.15294/jmel.v14.i1.7442. Disponível em: https://journal.unnes.ac.id/journals/jmel/article/view/7442. Acesso em: 19 dec. 2025.