Siswanto, Alfian, and Wegie Ruslan. “Pengaruh Penambahan Zat Aditif Toluena Pada Bahan Bakar Premium Terhadap Performa Vespa Sprint 150 3V”. Jurnal Syntax Admiration 2, no. 9 (September 21, 2021): 1604-1616. Accessed November 22, 2024. https://jurnalsyntaxadmiration.com/index.php/jurnal/article/view/305.