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1978

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Young children's behavior in solving problems in two and three dimensional space

颁布单位：[University of Alberta] | 颁布时间：1978 | 实施时间：1978 | 学科分类：[Human, behavior, Space, perception, in, children, Mathematics--Study, and, teaching, (Elementary), Problem, solving, in, children, Problem, solving--Ability, testing]

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