Bureau of Product Standards & Phil. (Rep) Department of Trade and Industry. (1995). Business oganizations in the Philippines that have been certified to ISO 9000 by the Bureau of Product Standards. Department of Trade and Industry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBureau of Product Standards और Phil. (Rep) Department of Trade and Industry. Business Oganizations in the Philippines That Have Been Certified to ISO 9000 by the Bureau of Product Standards. Makati City: Department of Trade and Industry, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBureau of Product Standards और Phil. (Rep) Department of Trade and Industry. Business Oganizations in the Philippines That Have Been Certified to ISO 9000 by the Bureau of Product Standards. Department of Trade and Industry, 1995.
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