- Author: Valsa Koshy, Jean Murray
- Language: English
- Year: 2011
- Author: Valsa Koshy Ron Casey Paul Ernest
- Language: English
- Year: 2000
- Author: Valsa Koshy Jean Murray
- Language: English
- Year: 2011
- Author: Valsa Koshy Jean Murray
- Language: English
- Year: 2011
- Author: Valsa Koshy
- Language: English
- Year: 2005