Holt, Jack A. Cases and applications in lotus 1-2-3 : releases 2, 2.2, 2.3, 3, and 3.1 / Jack A. Holt. - 4th ed. - [S.l.] : Richard D Irwin, 1992. - 320 p. ; 28 cm. Paperback. ISBN: 0256093458 9780256093452 Dewey Class. No.: 650.02855369