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- catalog contributor b7438328.
- catalog created "1959.".
- catalog date "1959".
- catalog date "1959.".
- catalog dateCopyrighted "1959.".
- catalog extent "vi, 31 p. ;".
- catalog isPartOf "Acta paedagogica ultrajectina ; 17".
- catalog issued "1959".
- catalog issued "1959.".
- catalog language "eng".
- catalog publisher "Groningen, [Netherlands] : Wolters,".
- catalog subject "BF456.N7 H553x".
- catalog subject "Child development.".
- catalog subject "Child psychology.".
- catalog subject "Geometry Psychological aspects.".
- catalog subject "Number concept.".
- catalog subject "Piaget, Jean, 1896-1980.".
- catalog title "Development and learning process : a study of some aspects of Piaget's psychology in relation with the didactics of mathematics / by P.M. van Hiele.".
- catalog type "text".