Sociological investigations 
Cover, J. Dan. 
 - Second edition. 
 -  Brown & Benchmark.  1997 
 - x, 243 pages. 
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<br/><br/><label>ISBN: </label>0-697-31043-4 
<br/><br/><label>Dewey Class. No.: </label>GS 301.09 C83s 1997