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- Language: English
- Year: 2017

- Author: Fotini Christia
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- Year: 2012

- Author: Monica Ingber
- Language: English
- Year: 2015

- Author: Sean Farrell
- Language: English
- Year: 2009

- Author: William T Cavanaugh
- Language: English
- Year: 2009

- Author: Marc Sageman
- Language: English
- Year: 2011

- Author: Helen Yanacopulos Joseph Hanlon
- Language: English
- Year: 2006

- Author: Alfredo González-Ruibal
- Language: English
- Year: 2014