Using application software in business : using the IBM PC, VP-Planner Plus, dBASE III Plus, WordPerfect 4.2 / Kathleen A. Dolan, Keiko M. Pitter. Dolan, Kathleen A. Pitter, Keiko M. VP-planner plus. dBase III plus (Computer file) WordPerfect (Computer file) Business Computer programs. Business Data processing. IBM personal computer Programming. Application software. HF5548.2 .D586 1990 001.64 DOU Includes index. New York : Mitchell McGraw-Hill, c1990. c1990. 1990 Text xiii, 433 p. : eng