- Author: Kok-Chor Tan
- Language: English
- Year: 2015
- Author: Kok-Chor Tan
- Language: English
- Year: 2021
- Author: Kok-Chor Tan
- Language: English
- Year: 2017
- Author: Kok-Chor Tan
- Language: English
- Year: 2012
- Author: Kok-Chor Tan
- Language: English
- Year: 2001
- Author: Kok-Chor Tan
- Language: English
- Year: 2004