Barbel Inhelder—Information Processing In Children's Thinking
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Copyright
Registered 21Jul71 · MP23760 (Jan-Jun 1973) Copyright holder: Jean Piaget Society
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:01:49Z