Komarudin, U.; Nuraeni Suryaman, N.; Martoni; Hirary, M. Analysis of the Effect of Fuel System, Fuel Types and Spark Plug Types on CO2 Gas Exhaust Using Factorial Design. Psychosocial rehabilitation 2020, 24 (2), 3271-3280. https://doi.org/10.61841/v2z2zr78.