Mould, Clifford <br/><br/>
MS-DOS 2.0 - 4.1 :  Training Guide/ 
Clifford Mould 
 - London :   Pitman Publishing,  1990 
<br/><br/><label>ISBN: </label>0273031724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems-MS DOS