Metzelaar, Lawrence C. <br/><br/>
Hands-on :  MS DOS, WordPerferct 5.0, dBASE III Plus, Lotus 1-2-3 2.2 / 
by Lawrence C. Metzelaar, Marinne B. Fox. 
 - 2nd ed. 
 - Redwood City, Calif. :  Benjamin / Cummings,  1990. 
 - xiv, 368 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0805345027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS-DOS (Computer operating system).<br/>WordPerfect (Computer program).<br/>dBASE III Plus (Computer program).<br/>Lotus 1-2-3 (Computer program).