Quantitative Methods for Business / 
Waters Donald  
 - 5th ed 
 - Harlow, England :  Pearson,  2011. 
 - xx,603 p,;   ill. 
<br/><br/><label>ISBN: </label>97802739470 
<br/><br/><label>LC Class. No.: </label>HF5695  / .W37 2011