- Author: Shell G. Richard
- Language: English
- Year: 2018
- Author: Matthew Luhn
- Language: English
- Year: 2018
- Author: Mike Churchman
- Language: English
- Year: 2016
- Author: Philip Hesketh
- Language: English
- Year: 2015
- Author: Leigh Ann Vaughn
- Language: English
- Year: 2010
- Author: J. Donald Ragsdale
- Language: English
- Year: 2011
- Author: Ullmen John B., Goulston Mark, Ferrazzi Keith
- Language: English
- Year: 2013
- Author: Sullivan Anthony, Vandehey Tim
- Language: English
- Year: 2017
- Author: Steve Booth-Butterfield Ed.D
- Language: English
- Year: 2009
- Author: G. Richard Shell
- Language: English
- Year: 2006