Guasch, J. L. (2007). Quality systems and standards for a competitive edge. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuasch, J. Luis. Quality Systems and Standards for a Competitive Edge. Washington, D.C: World Bank, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGuasch, J. Luis. Quality Systems and Standards for a Competitive Edge. World Bank, 2007.
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