Nazario, D. (2021). Parañaque detects three cases of South African COVID-19 variant. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNazario, Dhel. "Parañaque Detects Three Cases of South African COVID-19 Variant." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNazario, Dhel. "Parañaque Detects Three Cases of South African COVID-19 Variant." Manila Bulletin, 2021.
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