Tohutoro APA (7th ed.)
Keys, P. Understanding the Process of Operational Research: Collected Readings. Wiley.
Tohutoru Kātū Chicago (17th ed.)
Keys, Paul. Understanding the Process of Operational Research: Collected Readings. Chichester, Inglaterra: Wiley.
Tohutoro MLA (9th ed.)
Keys, Paul. Understanding the Process of Operational Research: Collected Readings. Wiley.
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