TY  - BOOK
AU  - Duffy, Tim.
TI  - 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
SN  - 0534116701
U1  - 005.36 DUF 
CY  - Belmont, Calif. : Wadsworth, c1990.
KW  - PC-DOS (Computer file)               MS-DOS (Computer file)               WordStar (Computer file)               Lotus 1-2-3 (Computer file)              dBase III plus (Computer file)
ER  -