1. Google 2010 About Google Scholar. [URI http://scholar.google.co.uk/intl/en/scholar/about.html accessed 14th April 2010]
2. Maintaining Evidence‐based Practice
3. Google Scholar 2010 Advanced Scholar Search Tips. [URI http://scholar.google.co.uk/intl/en/scholar/refinesearch.html accessed 15th April 2010]
4. Google 2010 About Google Scholar. [URI http://scholar.google.co.uk/intl/en/scholar/about.html accessed 14th April 2010]