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I-60 2	Information systems design methodologies: Improving the practice [Текст] : proceed. of the IFIP WG 8.1 Working conf. on comparative review of information systems design methodologies: Improving the Practice Noordwijkerhout, The Netherlands, 5-7 may, 1986 / ed. by T.W. Olle [et al.]. — Amsterdam etc. : PCNH, 1986. — XIII, 318 p.
ISBN 0 444 70014 5