Talaiekhozani, A., and A. M. Amani. “Preparing Emission Factors of Carbon Dioxide, Carbon Monoxide, Hydrocarbons and Nitrogen Oxides for Cigarette”. Journal of Air Pollution and Health, Vol. 3, no. 4, Dec. 2018, pp. 219-24, doi:10.18502/japh.v3i4.407.