Development and Implementation of LPG/Gasoline Bi-Fuel Engine Teaching Media for Vocational High Schools. Community Empowerment, [S. l.], v. 8, n. 11, p. 1943–1951, 2023. DOI: 10.31603/ce.10181. Disponível em: https://coba.unimma.ac.id/ce/article/view/10181. Acesso em: 30 sep. 2026.