Helfert, Erich A <br/><br/>
Techniques of financial analysis / 
Erich A. Helfert 
 - 6 
 - Illinois :  Irwin,  1987       
 - XIII, 458 p. 
<br/><br/><label>ISBN: </label>025603625X 
<br/><br/><label>LC Class. No.: </label>HG 4026 H476t 1987