284964 Bird, M. H. (1991). Mathematics for young children: An active thinking approach. London : Routledge.
芝加哥风格引文284964 Bird, Marion H. Mathematics for Young Children: An Active Thinking Approach. London : Routledge, 1991.
MLA引文284964 Bird, Marion H. Mathematics for Young Children: An Active Thinking Approach. London : Routledge, 1991.
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