Using software tools : WordStar 4.0, VP-Planner/Lotus, and dBase III plus /
Saret, Laura.
Dublin, Peter.
New York : McGraw-Hill Book Co.,
c1988.
WordStar (Computer program)
VP-Planner (Computer program)
Lotus 1-2-3 (Computer program)
dBase III PLUS (Computer program)
Computer software.