Castillo, R. L. (2003). Pharmacoeconomics, a new buzz word in healthcare. IN Charter files [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastillo, Rebecca Lorenzo. "Pharmacoeconomics, a New Buzz Word in Healthcare. IN Charter Files [column]." Manila Bulletin 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCastillo, Rebecca Lorenzo. "Pharmacoeconomics, a New Buzz Word in Healthcare. IN Charter Files [column]." Manila Bulletin, 2003.
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