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Lua i Stíl Chicago (17ú heag.)Geducos, Argyll Cyrus B. "PH Won't Pay 'Reservation Fee' for COVID-19 Vaccines - PRRD." Manila Bulletin 2020.
Lua MLA (9ú heag.)Geducos, Argyll Cyrus B. "PH Won't Pay 'Reservation Fee' for COVID-19 Vaccines - PRRD." Manila Bulletin, 2020.
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