Nasution, K. R. ., J. Jufrizal, and S. Supriatno. “Performance Analysis of 155cc 2-Stroke Sport Motorcycles With Various Types of Fuel”. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), vol. 4, no. 1, Apr. 2025, pp. 128-35, doi:10.56862/irajtma.v4i1.184.