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Lua i Stíl Chicago (17ú heag.)Balaba, Rommer M. "Manufacturing: Rebound from the Crisis." Business World Top 1000 Corporations in the Philippines 2000.
Lua MLA (9ú heag.)Balaba, Rommer M. "Manufacturing: Rebound from the Crisis." Business World Top 1000 Corporations in the Philippines, 2000.
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