Luthar I.S <br/><br/>
Algebra: votal group 

 -  1996 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>367 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2, L6.1;1