(2002). Bulacan 1st province to adopt unified health system. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Bulacan 1st Province to Adopt Unified Health System." Manila Times 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Bulacan 1st Province to Adopt Unified Health System." Manila Times, 2002.
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