Não informado. (1965). Abstracts for social workers. National Association of Social Workers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts for Social Workers. New York: National Association of Social Workers, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts for Social Workers. National Association of Social Workers, 1965.
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