“Pengaruh Variasi Jenis Bahan Bakar Terhadap Emisi Gas Buang Pada Motor 4 Langkah Tipe Injeksi 125 CC”. Jurnal Serambi Engineering 11, no. 2 (March 21, 2026). Accessed April 16, 2026. http://jse.serambimekkah.id/index.php/jse/article/view/1636.