Cooper, Harris <br/><br/>
Research synthesis and meta-analysis  : a step-by-step approach 
Harris Cooper 
 - 5th ed. 
 - Los Angeles:  Sage,   2017. 
 - xviii, 360p. 
<br/><br/><label>ISBN: </label>9781483331157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Research
<br/><br/><label>Dewey Class. No.: </label>300.72  / COR