Junipitoyo, B. (2019) “Pengaruh Campuran (35%, 40%, 45% dan 50) Medium Bioethanol pada Pertalite Terhadap Emisi Gas Buang Piston Engine 1 Silinder”, Jurnal Penelitian, 4(2), pp. 28–34. doi: 10.46491/jp.v4i2.293.