Koffman, Elliot B. Problem solving in structured basic-plus and vax-11 Basic / Elliot B. Koffman - London : Addison-wesley, 1984 - 495 p. : charts ISBN: 0201103443 Subjects--Topical Terms: BASIC (Computer program language)Structured programmingProblem. Dewey Class. No.: 621.C6424 / K75P.