Cooper, Donald. R <br/><br/>
Business Research methods/ 
Donald R. Cooper. 
 - Boston:  Mc Graw Hill,  2008.. 
 - xxii, 746p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 276-281. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>9780071263337  TZS 100,395.5/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business methods<br/>research methods
<br/><br/><label>Dewey Class. No.: </label>650.072. COO