Talaiekhozani, Amirreza, and Ali Mohammad Amani. “Preparing Emission Factors of Carbon Dioxide, Carbon Monoxide, Hydrocarbons and Nitrogen Oxides for Cigarette”. Journal of Air Pollution and Health 3, no. 4 (December 9, 2018): 219-224. Accessed December 9, 2019. http://japh.tums.ac.ir/index.php/japh/article/view/181.