Não informado. (2014). Operational Research Quarterly. Operational Research Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Operational Research Quarterly. London: Operational Research Society, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Operational Research Quarterly. Operational Research Society, 2014.
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