Psychological significance and difference between tools use by humans and animals : P.Y. Galperin's dissertation / P.Y. Galperin, Irina Engeness, Gethin Thomas.
This book represents the very first, so far unpublished, translation of Piotr Galperins (1902-1988) dissertation, defended in 1938 during his employment in the All-Ukrainian Psycho-Neurological Academy (AUPA) in Kharkiv, Ukraine. In his candidate dissertation Galperin examined the differences in too...
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