Adriantono, Wanda, 		Setiawan, Toni, AND 		Ariwibowo, Bayu.
" PENGARUH PENAMBAHAN ECO RACING PADA BAHAN BAKAR PERTALITE DAN VARIASI PUTARAN MESIN TERHADAP KADAR EMISI GAS BUANG MESIN EMPAT SILINDER" <em>Journal of Vocational Education and Automotive Technology</em> [Online], Volume 2 Number 2 (8 November 2020)