Cooper, Harris M., <br/><br/>
Research synthesis and meta-analysis :  a step-by-step approach / 
Harris Cooper. 
 - Fifth edition. 
 - xviii, 360 pages :  illustrations ;  23 cm. 
<br/><br/> Revised edition of the author's Research synthesis and meta-analysis, 2010. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781483331157  RM249.91 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Meta-Analysis as Topic.<br/>Research design.