Yudistirani, Sri Anastasia, Kisman H Mahmud, Frisca Amalia Ummay, and Anwar Ilmar Ramadhan. “ANALISA PERFORMA MESIN MOTOR 4 LANGKAH 110CC DENGAN MENGGUNAKAN CAMPURAN BIOETANOL-PERTAMAX”. Jurnal Teknologi 11, no. 1 (January 31, 2019): 85–90. Accessed August 7, 2025. https://jurnal.umj.ac.id/index.php/jurtek/article/view/3889.