Grupe, Fritz H. <br/><br/>
Using wordperfect, 5.1, Lotus 1-2-3/version 2.2,and dBase IV / 
Fritz H. Grupe, Kerry J. Chase. 
 - Dubuque, IA :  W.C. Brown Publishers,  1992. 
 - lv. (Various pagings) ;  28 cm. 
<br/><br/>Includes indexes. 
<br/><br/> Open. 
<br/><br/><label>ISBN: </label>0697133419 
<br/><br/><label>LCCN: </label>91143980  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Application software.<br/>Wordperfect (Computer file)<br/>Lotus 1-2-3 (Computer file)<br/>dBase IV (Computer file)