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Lua i Stíl Chicago (17ú heag.)Magkilat, Bernie Cahiles. "Clark Freeport Investments Surge 81%, Exports Up 93% in First Half." Manila Bulletin 2010.
Lua MLA (9ú heag.)Magkilat, Bernie Cahiles. "Clark Freeport Investments Surge 81%, Exports Up 93% in First Half." Manila Bulletin, 2010.
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