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Lua i Stíl Chicago (17ú heag.)Flores, Alena Mae S. "Oil Firms Reverse Gears, Cut Prices by P0.80." Manila Standard 2020.
Lua MLA (9ú heag.)Flores, Alena Mae S. "Oil Firms Reverse Gears, Cut Prices by P0.80." Manila Standard, 2020.
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