
- Author: Singh H. B
- Language: English
- Year: 2018

- Author: Ludovic Temple Eveline M. F. W. Compaore Sawadogo
- Language: English
- Year: 2018

- Author: Juma Calestous
- Language: English
- Year: 2015

- Author: Krishna Kowligi R
- Language: English
- Year: 2016

- Author: Mukute Mutizwa
- Language: English
- Year: 2015