Selltiz Claire <br/><br/>
Research methods in social relations   

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 - London  Methuen and company  1962 
 - 622 p.  22 cm. 
 -   .
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<br/><br/>  Social Sciences - methods, Research, Research Design 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Design<br/>Research<br/>Social Sciences - methods
<br/><br/><label>Dewey Class. No.: </label>300.72  / SEL