- Author: Richard R. Day Junko Yamanaka
- Language: English
- Year: 2001
- Author: Ronak Husni Daniel L. Newman
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- Year: 2008
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- Year: 1997
Impact Issues
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- Language: English
- Year: 2002
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- Language: English
- Year: 2008
- Author: Gillian Porter Ladousse
- Language: English
- Year: 1992
- Author: Linda Butler
- Language: English
- Year: 2009
- Author: Zhuangzi Chuang-Tzu
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- Year: 1999
- Author: Sandra Heyer
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- Year: 1997