"Roy, Debdulal Dutta" <br/><br/>
Principles of questionnaire development with empirical studies 

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 - New Delhi  Prasad Psycho Corporation  2010 
 - 143p. : ill. ;23cm. 
<br/><br/> includes bibliographical references 
<br/><br/><label>ISBN: </label>9788190992312 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science--Research<br/>Social sciences--Methodology