Iqlima, A.R.N. and Firdaus, R. 2021. The Effect of Using Bio-Solar Fuel with Additives, Solar Dexlite and Pertamina Dex on Mitsubishi L300 Diesel in 2007 on Vehicle Smoke Density. Indonesian Journal of Innovation Studies. 14, (Apr. 2021), 10.21070/ijins.v14i.537. DOI:https://doi.org/10.21070/ijins.v14i.537.