^Sohara Mehroze Shachi (September 5, 2018). "Bangladesh's Air Pollution Problem Grows, Brick by Brick". Undark. Retrieved September 7, 2018. The kiln operations alone — while representing just 1 percent of the country’s GDP — generate nearly 60 percent of the particulate pollution in Dhaka, according to Bangladesh’s Department of Environment (DOE).
^Economic and Social Commission for Asia and the Pacific. (2005). "Dhaka". Asian Highway Handbook. United Nations Economic and Social Commission for Asia and the Pacific, United Nations Publications. p. 28. ISBN92-1-120170-5.