James A. O'Brien, Craig A. VanLengen <br/><br/>
Computers and information processing :  with software tutorial and BASIC 

 - 2nd ed. 
 - Homewood, IL :  Irwin,  1986 
 -  cm 
 - Irwin series in information & decision sciences .
<br/><br/><label>ISBN: </label>0256033382 
<br/><br/><label>Dewey Class. No.: </label>001.6 OBR