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اسمارت اکادمی ایران - Initial Research on Abacus Mental Arithmetic Education in Enlightening Children’s Intelligence

Initial Research on Abacus Mental Arithmetic Education in Enlightening Children’s Intelligence

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Category: مقالات علمی چینی
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Experimental researches for nine years from 1996 to 2005/ by Liu Lizhu, Dai Lanyu, Fan Kaihui, Zhong Shisheng and Zhao Licheng, Shihezi, Xinjiang Province, China