Fitra, Viki, Sena Mahendra, & Bayu Ariwibowo. " ANALISIS PENGARUH VARIASI CAMSHAFT TERHADAP PERFORMA DAN EMISI GAS BUANG MESIN SEPEDA MOTOR 4 LANGKAH 160 CC." Journal of Vocational Education and Automotive Technology [Online], 3.1 (2021): 74 - 82. Web. 5 Jul. 2025