Proceedings of the second International Congress on Orthopedagogics. Amsterdam, 18-22, VII, 1949. Ed. by I. C. van Houte and Berthold Stokvis. Amsterdam [1950]
Edition: 2d.
Published: 1950
Place of publication: Amsterdam
Language: eng
Number of pages: 534
Notes: Sponsored by the International Society of Orthopedagogics.

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