- Author: Shelley Powers [Shelley Powers]
- Language: English
- Year: 2008
- Author: Shelley Powers
- Language: Polish
- Year: 2008
- Author: Shelley Powers
- Language: English
- Year: 2016
- Author: Shelley Powers
- Language: Polish
- Year: 2012
- Author: Shelley Powers
- Language: Polish
- Year: 2008
- Author: Shelley Powers
- Language: English
- Year: 2015
- Author: Shelley Powers
- Language: English
- Year: 2011
Learning Node
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- Author: Shelley Powers
- Language: English
- Year: 2012
- Author: Shelley Powers
- Language: English
- Year: 2016
- Author: Shelley Powers
- Language: English
- Year: 2010