Christensen, Larry B. <br/><br/>
Research Methods, Design, and Analysis 

 - 12th  
 - England   Pearson   2015 
 - 542 p 
<br/><br/>including Refrences ,index  
<br/><br/><label>ISBN: </label>9781292057743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Understanding Scientific Research ,Research Approaches and Data Collection Methods 
<br/><br/><label>Dewey Class. No.: </label>150.72  / CHR-R