Gerlach, Vernon S., 1922- An interactive approach to BASIC / Vernon S. Gerlach with the assistance of Mary E. Cooper. - New York : London : Macmillan ; Collier Macmillan, c1983. - x, 333 p. ; 26 cm. Includes index. Subjects--Topical Terms: BASIC (Computer program language). Dewey Class. No.: 001.6424