- Author: Kinsley Michael E
- Language: English
- Year: 2016
- Author: Brian Tracy
- Language: English
- Year: 2012
- Author: Scarlett Marton
- Language: Portuguese
- Year: 2006
- Author: Boisvert Yves, Olivier Lawrence
- Language: English
- Year: 2000
- Author: Chittister Joan
- Language: English
- Year: 2015
- Author: Chittister Joan
- Language: English
- Year: 2015
- Author: Chittister Joan
- Language: English
- Year: 2015