[1]Krawczyk, T. (1996). Biodiesel– alternative fuel makes inroads but hurdle remains. International News Fats Oils Related Matter (INFORM), 7: 801–815.
[2] Naveen, C. K. & Prasada, K. R. (2015). International Journal of Engineering Trends and Technology (IJETT) –26 (3).
[3] Solomon,N. Ramesh B. Seshu, N. & Anantha, K. N. (2016). In ternational Journal of Engineering Trends and Technology (IJETT) –36 (7).
[4] Batog, P. & Badura, M. (2013). Dynamic of changes in carbon dioxide concentration in bedrooms. Procedia Engineering, 57, pp.175-182.
[5] Friedlingstein, P. Meinshausen, M. Arora, V. K. Jones, C. D. Anav, A. Liddicoat, S.K., & Knutti, R.( 2014). Uncertainties in CMIP5 Climate Projections due to Carbon Cycle Feedbacks, J. Climate, 27,511–526 JCLI-D-12.
[6] Lovenduski, N. S. & Bonan, G. B. (2017). Reducing uncertainty in projections of terrestrial carbon uptake, Environ. Res. Lett., 12.
[7] Carslaw, K. S. Lee, L. A. Regayre, L. A. & Johnson, J. S.( 2018.). Climate models are uncertain, but we can do something about it, EOS, 99.
[8] Anne, L. Thomas, S. Jesper, C. Mathew, W. Kim,P. Lise-Lotto, S. & Casmills, G. (2019). Simulating the atmospheric CO2 concentration across the heterogeneous landscape of Denmark using a coupled atmosphere–biosphere mesoscale model system, Biogeosciences, 16, 1505–1524.
[9] Basim, I. & Wahab, T (2015). Effect of temperature and humidity on air pollution of Baghdad city, Diyala J for pure science, 12. 3, pp. 75-88.
[10] Raupach, R. M. et al (2007). Global and Regional Drivers of Accelerating CO2 Emissions. Proceedings of the National Academy of Sciences 104 10,288 –10,293.
[11] Abolhassani, M. Guais, A. Chaumet-Riffaud, P. Sasco A.J. S, & Schwartz, L. (2009). Carbon dioxide inhalation causes pulmonary inflammation. Am J Physiol Lung Cell Mol Physiol 296:L657–L665.
[12] Schwartz, L. Guais, A. Chaumet- Riffaud, P. Grévillot, G. Sasco, A.J. Molina, T. J. & Abolhassani, M. (2010). Carbon dioxide is largely responsible for the acute inflammatory effects of tobaccosmoke. Inhalation toxicology, 22(7), pp.543-551,
[13] Gids, W. F. De & Wouters, P. (2010). CO2 as indicator for the indoor air quality-general principles. AIVC. VIP, (33).
[14] Stephen, A. (2016). Assessment of Mechanics’ Knowledge on Vehicle Emissions and their Effects on the Environment and on Human Life, International Journal of Engineering Trends and Technology, 35. 8, 362-368.
[15] Saleh, S.A. (2011). Air quality over Baghdad City using earth observation and Landsat thermal data. Journal of Asian Scientific Research, 1(6), p.291.
[16] Fanger, P.O. (1988). Introduction of the OIF and decipol unites to quantify air pollution perceived by human indoors and outdoors, Energy and Building
[17] ASHRAE, (2007). Standard 62.1, Ventilation for acceptable indoor air quality, American Society of Heating, Refrigerating, and Air Conditioning Engineers, Atlanta, USA.
[19] Jassim, H. M. Kurdi,Y. A.& Al-nidai, F.H.I.( 2013). Environmental issues in Erbil city. Internaltional Journal of Engineering Trends and Technology (IJETT), 4(8No5), pp.3509-3515.
[22] Snow, S. Boyson, A. King, M. Malik, O. Coutts, L. Noakes, C. Gough, H. Barlow, J. & Schraefel. M. (2018.). Using EEG to characterise drowsiness during short duration exposure to elevated indoor Carbon Dioxide concentrations, https:// t.co/ HaJ0UZRADx # bioRxiv. doi: https://doi.org/10.1101/483750.