Callan, S. J., & Scott J. Callan; Janet M. Thomas. Environmental economics and management: Theory, policy and applications. United States: South-Western,Thomson Learning.
Chicago Style aipamenaCallan, Scott J., và Scott J. Callan; Janet M. Thomas. Environmental Economics and Management: Theory, Policy and Applications. United States: South-Western,Thomson Learning.
MLA aipamenaCallan, Scott J., và Scott J. Callan; Janet M. Thomas. Environmental Economics and Management: Theory, Policy and Applications. United States: South-Western,Thomson Learning.
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