http://dewey.info/scheme/edition/e23/ en
658.4 Executive management
658.403 Decision making and information management
658.40301 Philosophy and theory of decision making 658.4032 Systems theory and analysis 658.4033 Mathematical techniques of decision making 658.4034 Operations research 658.4035 Other techniques of decision making 658.4036 Group decision making 658.4038 Information management
Dewey Decimal Classification
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