Performance Evaluation of Four Stroke SI Engine with and without Oxyrich Air Energizer at 1000rpm. International Journal of Current Engineering and Technology, [S. l.], v. 1, n. 4.Special, p. 242–246, 2016. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/4206. Acesso em: 26 apr. 2026.