Dromey, RG. <br/><br/>
How to solve it by computer 

 - Delhi: Prentice-Hall  1985 
 - xxi,442p.  23 cm. 
<br/><br/><label>ISBN: </label>0876923880 
<br/><br/><label>Dewey Class. No.: </label>001.64,  / dro