Luck, David j. ; Rubin, Ronald S. <br/><br/>
Marketing Research 
/ by  David j. Luck et.al 
 - 7th ed. 
 - New delhi:  prentice hall of india,  1987. 
 - xvi, 682p. 
<br/><br/><label>ISBN: </label>8120304845 
<br/><br/><label>Dewey Class. No.: </label>658.83  / LUC/M