Ashton - Tate <br/><br/>
Learning d base iv 
Ashton - Tate 
 - n.p.  Ashton-Tate Corporation  1988 
 - Various paging 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming(Computers)
<br/><br/><label>Dewey Class. No.: </label>001.642 LEA 1988