Four software tools, with Lotus 1-2-3 (release 2.2) : DOS for IBM PC and MS DOS, word processing using WordPerfect 4.2 and 5.0, spreadsheets using Lotus 1-2-3 release 2.2, database management using dBASE III plus /
Duffy, Tim.
Belmont, Calif. : Wadsworth Publishing,
c1990.
Includes index.
Spiral binder.
WordPerfect (Computer program)
Lotus 1-2-3 (Computer program)
dBase III PLUS (Computer program)
PC-DOS (Computer file)
MS-DOS (Computer file)