HERMAWAN, D. ANALYSIS OF THE EFFECT OF ADDING ECO RACING ON PERTAMAX FUEL ON THE PERFORMANCE OF 2 STOCK MOTOR ENGINES. Jurnal Teknovasi, [S. l.], v. 8, n. 02, p. 59–64, 2021. DOI: 10.55445/jt.v8i02.29. Disponível em: https://teknovasi.plm.ac.id/index.php/Journalteknovasi/article/view/29. Acesso em: 10 may. 2025.