Novak, Joseph D. " The Theory of Concept Maps and How to Design Them. " Cornell University.

乔瑟夫．D．挪瓦克《概念图的理论以及如何架构》康瓦尔大学。

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Novak, Joseph D. " The Theory of Concept Maps and How to Design Them. " Cornell University.

乔瑟夫．D．挪瓦克《概念图的理论以及如何架构》康瓦尔大学。

youdao