Four software tools : DOS for IBM PC and MS DOS, word processing using WordStar 5.5, spreadsheets using Lotus 1-2-3 release 2.01, database management using dBase III plus /
Tim Duffy.
- 2nd ed.
- Belmont, Calif. : Wadsworth, 1990.
- 1 v. (various pagings) : ill. ; 28 cm.
- Wadsworth series in computer information systems .