- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: English
- Year: 2023
- Author: Donald White
- Language: English
- Year: 2002
- Author: Nigel Campbell, Fred Burton, Fred Burton
- Language: English
- Year: 2012
- Author: Michael Humphreys
- Language: English
- Year: 2011
- Author: Ayi Bamo, Stevan Harrell, Ma Lunzy, Bamo Qubumo
- Language: English
- Year: 2007
- Author: Rabah Halabi
- Language: English
- Year: 2004
- Author: Osama A. Kamal
- Language: English
- Year: 2013
- Author: Deborah Bouziden
- Language: English
- Year: 2013
- Author: Cary D. Rostow, Robert D. Davis
- Language: English
- Year: 2004