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20006187 Olle, T. William (ed.) Sol, Henk G. (ed.) Verrijn-Stuart, Alex A. (ed.) Information systems design methodologies: improving the practice, Proceedings of the IFIP WG 8.1 working conference on comparative review of information systems design methodologies: improving the practice, noordwijkerhout, The Netherlands, 5-7 May, 1986 (CRIS '86) Information systems design methodologies: improving the practice, Proceedings of the IFIP WG 8.1 working conference on comparative review of information systems design methodologies: improving the practice, noordwijkerhout, The Netherlands, 5-7 May, 1986 (CRIS '86) (1986). 1986 North-Holland EN