BARNEY JAY B. (2002). GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED (2ND.). PEARSON EDUCATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBARNEY JAY B. GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED. 2ND. NEW DELHI: PEARSON EDUCATION, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBARNEY JAY B. GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED. 2ND. PEARSON EDUCATION, 2002.
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