Basic of research methods for criminal justice and criminology 
Maxfield, Michael G. 
 -  Thomson Wadsworth.  2006 
 - xiv, 361 pages 
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<br/><br/><label>ISBN: </label>0-534-61567-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal justice -- Research.
<br/><br/><label>Dewey Class. No.: </label>345 M45b 2006