Saifudin A. The Effect of Additional Ethanol Steam Temperature Variations on Pertalite Fuel Use on Performance and Efficiency of 4 Stroke Motorcycles: Pengaruh Variasi Temperatur Uap Etanol Tambahan Pada Penggunaan Bahan Bakar Pertalite Terhadap Performa Dan Efisiensi Sepeda Motor 4 Langkah. PELS [Internet]. 2021 Jul. 14 [cited 2025 Jun. 25];1(2). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1005