Colantonio, Ernest S. <br/><br/>
A laboratory text in microcomputers & applications :  featuring DOS, WordPerfect 5.0, Lotus 1-2-3, and dBASE III PLUS / 
by Ernest S. Colantonio. 
 - Lexington, Mass. :  D.C. Heath and Company,  1991. 
 - xxx, SA192, A112 p. : ill. 
<br/><br/><label>ISBN: </label>0669248975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers.<br/>MS-DOS (Operating system).<br/>LOTUS 1-2-3 (Computer program).<br/>WordPerfect (Computer program).<br/>dBASE III PLUS (Computer program).