Schildt, Herbert. <br/><br/>
DOS 4 made easy  [Books]. 
Herbert Schildt. 
 - Berkeley, California  McGraw Hill  1988 
 - Pages: 346 
<br/><br/><label>ISBN: </label>0078814480  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  / SCH