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- Language: English
- Year: 2011

- Author: Fisher Roger, Patton Bruce, Ury William L
- Language: English
- Year: 2015

- Author: Fisher Roger, Patton Bruce, Ury William L
- Language: English
- Year: 2011

- Author: Adams Kenn
- Language: English
- Year: 2010

- Author: George H. Ross
- Language: English
- Year: 2013

- Author: Dave Lakhani
- Language: English
- Year: 2013

- Author: Golbeck Jennifer
- Language: English
- Year: 2013

- Author: Boswell John, Dell Donald
- Language: English
- Year: 2014

- Author: Igor Ryzov
- Language: English
- Year: 6

- Author: John Adair
- Language: English
- Year: 2018