Não informado. (1969). SAM advanced management journal. Society for Advancement of Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. SAM Advanced Management Journal. New York: Society for Advancement of Management, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. SAM Advanced Management Journal. Society for Advancement of Management, 1969.
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