TY  - GEN
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 
SN  - 0534116760
AV  - QA76.76.O63 
U1  - 005.36 
PY  - 1990///
CY  - Belmont, Calif.
PB  - Wadsworth
N1  - Includes index
ER  -