Não informado. (1984). Education for Health. World Health Organization, Division of Public Information and Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Education for Health. Geneva, Suíça: World Health Organization, Division of Public Information and Education, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Education for Health. World Health Organization, Division of Public Information and Education, 1984.
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