INCREASING the productivity Wordperfect version 5.1,Lotus 1-2 -3 Release 2.2,dBaselll Plus / 
[by] H.Paul Haiduk...[et al.] 
 - New York  McGraw Hill  1991 
 - xv, varied pages 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>26830817 
<br/><br/><label>Dewey Class. No.: </label>5.3  / INC