Singh, K. (2001). Building sustainable competitive strength.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Kamal. Building Sustainable Competitive Strength. New Delhi, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Kamal. Building Sustainable Competitive Strength. 2001.
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