- Author: Badri T.N., Hale Trevor S., Hanna Michael E., Render Barry, Stair Ralph M
- Language: English
- Year: 2016
- Author: Render Barry, Stair Ralph M, Hanna Michael E, Hale Trevor S
- Language: English
- Year: 2017
- Author: Render Barry, Stair Ralph M., Hanna Michael E., Hale Trevor S.
- Language: English
- Year: 2018
- Author: Render Barry, Stair Ralph M., Hanna Michael E., Hale Trevor S.
- Language: English
- Year: 2015
- Author: Gila Hanna Michael de Villiers
- Language: English
- Year: 2012