Senn, James A. Information systems in management / James A. Senn. - Belmont, Calif. : Wadsworth Pub. Co., c1978. - xi, 638 p. : ill. ; 24 cm. ISBN: 0534005632 LCCN: 77012421 LC Class. No.: T58.6 / .S42 Dewey Class. No.: 658.4/0388