P.K.Baby. (2011). Measuring values of air quality: An economic approach to kerala's environment. Cochin University of Science and Technology.
シカゴスタイル引用形P.K.Baby. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. India: Cochin University of Science and Technology, 2011.
MLA引用形式P.K.Baby. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Cochin University of Science and Technology, 2011.
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