S. H. Tanim, T. A. U. Sadik and R. Rahman, “A Comparative Study between CNG and Petrol/Diesel Driven Vehicles of Dhaka,” Undergraduate Thesis, Bangladesh University of Engineering and Technology, Dhaka, 2011.
 A. S. Haq, “Estimation of Vehicle Induced Emissions of Selected Urban Areas in Dhaka City,” Proceedings of the International Conference on Mechanical Engineering 2009 (ICME2009), Dhaka, 26-28 December 2009.
 R. G. Derwent and O. Hertel, “Transformation of Air Pollutants,” In: J. Fenger, O. Hertel and F. Palmgren, Eds., Urban Air Pollution: European Aspects, Kluwer Academic Publishers, Dordrecht, Boston, 1998, pp. 137-159. http://dx.doi.org/10.1007/978-94-015-9080-8_8
 R. M. Harrison, “Pollution: Causes, Effects and Control,” 4th Edition, Royal Society of Chemistry, Cambridge, 2001. http://dx.doi.org/10.1039/9781847551719
 M. Takahashi, A. Higaki, M. Nohno, M. Kamada, Y. Okamura and K. Matsui, “Differential Assimilation of Nitrogen Dioxide by 70 Taxa of Roadside Trees at an Urban Pollution Level,” Chemosphere, Vol. 61, No. 5, 2005, pp. 633-639. http://dx.doi.org/10.1016/j.chemosphere.2005.03.033
 World Health Organization, “WHO Air Quality Guidelines for Particulate Matter, Ozone, Nitrogen Dioxide and Sulfur Dioxide, Global Update 2005, Summary of Risk Assessment,” WHO Press, Geneva, 2006.
 T. Afrin, M. A. Ali, S. M. Rahman and Z. Wadud, “Development of a Grid-Based Emission Inventory and a Source-Receptor Model for Dhaka City,” The US EPA’s International Emissions Inventory Conference, Hyatt Regency in Tampa, Florida, 2012.
 S. Randall, B. Sivertsen, N. Uddin, S. Biswas, P. Schneider, V. T. Dam, G. Saroar and M. Rana, “Ambient Air Pollution Screening Study in Dhaka,” Bangladesh Air Pollution Management (BAPMAN) Project, 2011.
 H. E. Li, B. T. Li and S. F. Lan, “Responses of the Urban Roadside Trees to Traffic Environment,” International Journal of Environmental Technology and Management, Vol. 12, No. 1, 2010, pp. 16-26. http://dx.doi.org/10.1504/IJETM.2010.029958
 “Greater Dhaka Area,” 2013. http://en.wikipedia.org/wiki/Greater_Dhaka_Area
 E. German and S. Pyne, “Dhaka: Fastest Growing Megacity in the World,” 2010. http://www.globalpost.com/dispatch/asia/100831/bangladesh-megacities-part-one
 M. A. Taleb, “Comparative Study of Urban Area Extension and Flood Risk in Dhaka City of Bangladesh,” Global Journal of Human Social Science, Geography & Environmental GeoSciences, Vol. 12, No. 11, 2012, pp. 37-40.
 A. A. Mamun, A. Mahmood and M. Rahman, “Identification and Monitoring the Change of Land Use Pattern Using Remote Sensing and GIS: A Case Study of Dhaka City,” IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), Vol. 6, No. 2, 2013, pp. 20-28.
 M. N. A. Ansari, “Opportunities and Challenges of Urban and Peri-Urban Forestry and Greening in Bangladesh: Dhaka City as a Case,” Master Thesis, Swedish University of Agricultural Sciences (SLU), Alnarp, 2008.
 Ecoplexity: Teaching Ecological Complexity, “Protocol: Measuring Tree Diameter, Class Size, and Average Species Diameter,” 2013. http://ecoplexity.org/node/236?page=0,0
 Z. Wadud and T. Khan, “CNG Conversion of Motor Vehicle in Dhaka: Valuation of Co-Benefits,” TRB Annual Meeting, 2011. http://docs.trb.org/prp/11-2764.pdf
 “Tree Basal Area,” 2013. http://www.farmforestline.com/pages/6.3_tree_basal.html