Campbell, Mary [and] Campbell, David R. Mastering Microcomputer Applications : WordPerfect 6.0, Lotus 1-2-3 Release 2.4, dBASE 1V 2.0, and DOS 6 - McGraw-Hill , United States of America : 1996 - v, 235 p : 24 cm ISBN: 0028004191 Nat. Bib. Agency Control No.: 004 CAM Subjects--Topical Terms: Data Processing Computer Science Dewey Class. No.: 004 / CAM