Helfert Erich A <br/><br/>
Techniques of financial analysis 

 - 4 
 -  1977 
<br/><br/><label>Standard No.: </label>22100 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:8C, L7