Holt, Jack A. Cases and applications in Lotus 1-2-3 with HAL / Jack A. Holt. - 2nd ed. - Homewood, Ill. : Irwin, 1988. - xv, 322 p., [4] folded leaves of plates : ill. ; 28 cm. - The Irwin series in information and decision sciences . Includes index. ISBN: 025606038X (pbk.) Subjects--Uniform Titles: Lotus 1-2-3 (Computer file) Lotus HAL. Subjects--Topical Terms: Business-- Computer programs. Dewey Class. No.: 650.02855369