By Cooper, Harris <br/><br/>
Research synthesis and meta-analysis: a step-by-step approach 

 - 5th 
 - New Delhi  Sage  2017 
 - xviii; 360p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / COO