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vls/2603nrwcece.visuallibrary.netvdPiaget's theory of cognitive developmentan introd. for students of psychology and educationWadsworth, Barry J.auttextbookNew YorkLongman19792. ed.monographic189 S.Piaget, JeanKognitive EntwicklungTheorie0-582-28124-5HT0028061061993121920210407JNQQ1069(2)rak https://ce.visuallibrary.net//domainresource/static/graphics/connectors/viewerLogo.gif http://193.30.112.129:83/F/?func=find-c&ccl_term=ICS%3DJNQQ1069%282%29 https://ce.visuallibrary.net/id/1218493 https://ce.visuallibrary.net/i3f/v20/1218493/manifest https://ce.visuallibrary.net/proto_ftsearch/1218493