Performance optimization of pertalite fuel gasoline engine with the addition of turpentine oil and ethanol. Proceedings Series of Borobudur International Symposium on Energy and Engineering, [S. l.], v. 1, p. V124020, 2024. DOI: 10.31603/biseeng.60. Disponível em: https://unimma.press/conference/index.php/biseeng/article/view/60. Acesso em: 10 jan. 2025.