Robbins, Judd. <br/><br/>
Mastering Dos 6.0 & 6.2 /Judd Robbins 

 - 2nd 
 - New delhi  BPB  1994 
 - xxxiv, 1018p 
<br/><br/><label>ISBN: </label>8170293138 
<br/><br/><label>Dewey Class. No.: </label>005.446  / N94