HAMEL, C. (1994). Competing For The Future. Harvard Business School.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAMEL, Cary. Competing For The Future. Harvard Business School, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHAMEL, Cary. Competing For The Future. Harvard Business School, 1994.
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