HAL plain and simple : learning Lotus HAL with 1-2-3 release 2 - Bingham, Julie E. (New York : Addison-Wesley, 1988)
Old book ติดต่อฝ่าย Catalog, Includes index.
Keywords: Business -- -- Computer programs; Lotus 1-2-3 (Computer file); Lotus HAL; Business -- -- Data processing