Shelly, Gary B. Learning to use microcomputer applications : Lotus 1-2-3 release 4 for DOS / Gary B. Shelly, Thomas J. Cashman, Deborah L. Fansler - Danvers, MA : Boyd & Fraser Pub. Co, 1996 - xv, 384 p. : ill. ; 28 cm. Includes index ISBN: 0877099014 Subjects--Topical Terms: Lotus 1-2-3 (Computer file)Business--Computer programsElectronic spreadsheets