- Author: Greg Noack
- Language: English
- Year: 2006
- Author: Beth Banning
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- Year: 2014
- Author: Alexandre Andreyev
- Language: English
- Year: 2014
- Author: Weiner Eric
- Language: English
- Year: 2011
- Author: Simone Cheryl, Vasudev Jaggi
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- Year: 2008
- Author: Quinn Sally
- Language: English
- Year: 2018
- Author: Wilber Ken
- Language: English
- Year: 2000