DeVoney Dhris <br/><br/>
Using PC DOS 
DeVoney Dhris 
 - 2nd 
 - Singapore  QUE/Tech Publications India          1987 
 - xxiii, 867p. Appendix P 801-52  cm. 
<br/><br/><label>ISBN: </label>9813091738 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>D6,9(B), M7