Callan, Manonmoney, N., Thomas, & Valuthi Varagunasingh, T. (2007). Environmental economics. Cengage Learning.
Chicago Edition CitationCallan, N. Manonmoney, Thomas, and T. Valuthi Varagunasingh. Environmental Economics. Australia: Cengage Learning, 2007.
Deismireacht MLACallan, et al. Environmental Economics. Cengage Learning, 2007.
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