SIMPSON,A <br/><br/>
UNDERSTANDING dBASE IV 1.5 FOR DOS 

 -  BPB, NEW DELHI  1993 
 - 22X15 
<br/><br/><label>ISBN: </label>81-7029-207-7 
<br/><br/><label>Dewey Class. No.: </label>621.3819642 S613