Karpagam, M. (1999). Environmental economics: A textbook (Rev. ed.). Sterling Publishers.
Chicago Style (17th ed.) CitationKarpagam, M. Environmental Economics: A Textbook. Rev. ed. New Delhi: Sterling Publishers, 1999.
MLA citiranjeKarpagam, M. Environmental Economics: A Textbook. Rev. ed. Sterling Publishers, 1999.
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