Block James A., Champion Dean J. <br/><br/>
Methods and issues in social research   

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 - New York  John Wiey and Sons  1976 
 - 445 p.  23 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>300.18  / BLA