Não informado. (2014). Investigations in Mathematics Learning. Research Council on Mathematics Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Investigations in Mathematics Learning. Memphis, Tenn: Research Council on Mathematics Learning, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Investigations in Mathematics Learning. Research Council on Mathematics Learning, 2014.
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