Jamsa, Kris. <br/><br/>
Using DOS 4  [Books]. 
Kris Jamsa. 
 - Berkeley  Osborne McGraw-Hill  1989 
 - Pages: 1021 
<br/><br/><label>ISBN: </label>0078814707  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>DOS 4 (Computer operating system).
<br/><br/><label>Dewey Class. No.: </label>QA/76.76.O63  / JAM