Donald R. Cooper. <br/><br/>
Business Research Methods . 

 - 12th ed. 
 - Boston :  Mcgraw-Hill Education:  2014 
 - xxvi, 692p.  ILL:  24cm. 
 - Irwin/Mcgraw-Hill Series In Operations And Decision Sciences.  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9.78126E+12 
<br/><br/><label>LC Class. No.: </label>HD30.4 COO 2014