Davies, L. (1991). Information in action: Soft systems methodology. London: MacMillan.
Trích dẫn kiểu ChicagoDavies, Lynda. Information in Action: Soft Systems Methodology. London: MacMillan, 1991.
MLA citiranjeDavies, Lynda. Information in Action: Soft Systems Methodology. London: MacMillan, 1991.
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