Valino, A. T. (2001). Davao firm affirms policy of corporatesocial responsibility. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रValino, Amada T. "Davao Firm Affirms Policy of Corporatesocial Responsibility." Manila Bulletin 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रValino, Amada T. "Davao Firm Affirms Policy of Corporatesocial Responsibility." Manila Bulletin, 2001.
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