Não informado. (1966). Science education newsletter. British Council, Education, Medicine and Science Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Science Education Newsletter. London: British Council, Education, Medicine and Science Division, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Science Education Newsletter. British Council, Education, Medicine and Science Division, 1966.
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