Bowling, Ann (ed) <br/><br/>
Handbook of health research methods : investigation, measurement and analysis 

 - Maidenhead :  Open University Press  2005 
<br/><br/><label>ISBN: </label>0335214606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Research Methods
<br/><br/><label>Universal Decimal Class. No.: </label>610.72