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- Language: English
- Year: 2009

- Author: David Campbell
- Language: English
- Year: 2016

- Author: B. Michael Aucoin
- Language: English
- Year: 2018

- Author: John Wilter
- Language: English
- Year: 2013

- Author: Morne Mostert
- Language: English
- Year: 2012

- Author: C.S. Thomaskutty
- Language: English
- Year: 2009

- Author: Dianne P. Young, Nancy M. Dixon
- Language: English
- Year: 1995

- Author: Victoria A. Guthrie
- Language: English
- Year: 1999

- Author: Romie F. Littrell
- Language: English
- Year: 2002