1. Detection of greenhouse gas precursors from diesel engines using electrochemical and photoacoustic sensors;Mothé;Sensors.,2010
2. Mixing ratios of volatile organic compounds (VOCs) in the atmosphere of Karachi;Barletta;Pakistan. Atmospheric Environment,2002
3. Singh, S. K. (2012). Urban transport in India: issues, challenges, and the way forward. European Transport/Trasporti Europei (2012) Issue, 52.
4. Occupational exposure of diesel station workers to BTEX compounds at a bus depot;Moolla;International journal of environmental research and public health,2015
5. https://ucsusa.org/resources/environmental-impacts-natural-gas, Environmental Impacts of Natural Gas , Published Jun 19, 2014 , Accessed. 4th July,2020.