Prague, Cary N. <br/><br/>
dBASE IV 1.5 programming / 
Cary N. Prague and James E. Hammitt. 
 - Blue Ridge Summit, PA :  Windcrest,  c1992. 
 - xviii, 979 p. :  ill. 
<br/><br/><label>ISBN: </label>0830640509  
<br/><br/><label>Subjects--Uniform Titles: </label><br/>dBase IV (Computer file)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management