09.02.2012, 10:10 | 
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Herman Chan-En Liu: Non-verbal intelligence tests for use in China. Thesis (PH. D.)–Columbia University; Published also as Teachers College, Columbia University, Contributions to education, no. 126. (1922)
Digitized: > Internet Archive (Book contributor & digitizing sponsor: The Library of Congress) > Internet Archive (Book contributor: Cornell University, digitizing sponsor: MSN) > … → Continue reading
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