Gatdula, D. (2001). Big oil firms bent on 90 cents price hike. Kabayan.
Chicago Style aipamenaGatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan 2001.
MLA aipamenaGatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan, 2001.
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