Chua, Chooi See. Lotus 1-2-3 : a step-by-step guide / Chua Chooi See. - Shah Alam : Times, 1994. - ix, 427 p. : ill. ; 24 cm. Includes index. ISBN: 9679148203 Subjects--Uniform Titles: Lotus 1-2-3 (Computer file) Subjects--Topical Terms: Electronic spreadsheets.Business--Computer programs.