Sastra Negara, I., 		Budiarsa Suyasa, I., & 		Suarna, I.
(2012).
 PENGARUH NILAI OKTAN BAHAN BAKAR DAN PUTARAN MESIN PADA KENDARAAN BERMOTOR TERHADAP KARAKTERISTIK EMISI GAS BUANG.
<em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal Of Environmental Science), 4</em>(2).
Retrieved from <a href="http://103.29.196.112/index.php/ecotrophic/article/view/2522" target="_new">http://103.29.196.112/index.php/ecotrophic/article/view/2522</a>