Não informado. (1984). Annals of Operations Research. Baltzer Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Operations Research. Amsterdam: Baltzer Science Publishers, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Operations Research. Baltzer Science Publishers, 1984.
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