Não informado. (1982). International health news. National Council for International Health.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Health News. Washington: National Council for International Health, 1982.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Health News. National Council for International Health, 1982.
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