EVANS, J. R. (1991). Creative Thinking In The Decision And Management Sciences James R. Evans. South-Western.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEVANS, James R. Creative Thinking In The Decision And Management Sciences James R. Evans. South-Western, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEVANS, James R. Creative Thinking In The Decision And Management Sciences James R. Evans. South-Western, 1991.
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