Atienza, C. L. DOST grants ₱5-m to La Union firm for production of surgical masks. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAtienza, Charissa Luci. "DOST Grants ₱5-m to La Union Firm for Production of Surgical Masks." Manila Bulletin .
एमएलए (9वां संस्करण) प्रशस्ति पत्रAtienza, Charissa Luci. "DOST Grants ₱5-m to La Union Firm for Production of Surgical Masks." Manila Bulletin, .
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