Norton, Peter. <br/><br/>
Peter norton’s complete guide to dos 6.22 

 - New Delhi :  Techmedia,  2007 
 - 1150. 
<br/><br/><label>ISBN: </label>8187105224  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programmingprograms data
<br/><br/><label>Dewey Class. No.: </label>005.3682  / NOR