Baby P K. (2011). Measuring values of air quality: An economic approach to kerala's environment. Directorate of Public Relations and Publications, CUSAT.
Chicago-tyylinen lähdeviittausBaby P K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Kochi: Directorate of Public Relations and Publications, CUSAT, 2011.
MLA-viiteBaby P K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Directorate of Public Relations and Publications, CUSAT, 2011.
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