Não informado. (1943). Education for Teaching. National Association of Teachers in Further and Higher Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Education for Teaching. London: National Association of Teachers in Further and Higher Education, 1943.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Education for Teaching. National Association of Teachers in Further and Higher Education, 1943.
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