- Author: Cecilia Au-Yang
- Language: English
- Year: 2003
- Author: Sanmugam Devagi
- Language: English
- Year: 2012
- Author: Hutton Wendy
- Language: English
- Year: 2012
- Author: Chat Mingkwan
- Language: English
- Year: 2010
- Author: Tobing Hayatinufus A. L., Wongson William W
- Language: English
- Year: 2012
- Author: Tobing Hayatinufus A. L., Wongso William
- Language: English
- Year: 2012
- Author: Sanmugam Devagi
- Language: English
- Year: 2013
- Author: Reid Daniel
- Language: English
- Year: 2006
- Author: Reid Daniel
- Language: English
- Year: 2001
- Author: Reid Daniel
- Language: English
- Year: 2006