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Jean Piaget : number and class in children
Geldolph A. Kohnstamm
Bok Engelsk 2012
Parental descriptions of child personality : developmental antecedents of the big five?
edited by Geldolph A. Kohnstamm ... [et a...
Bok Engelsk 1998
The Developing structure of temperament and personality from infancy to adulthood
edited by Charles F. Halverson, Jr., Geld...
Bok Engelsk 1994
Temperament in childhood
edited by Geldolph A. Kohnstamm, John E. ...
Bok Engelsk 1989
Temperament discussed : temperament and development in infancy and childhood
Geldolph A. Kohnstamm
Bok Språk ikke angitt 1986
Piaget's analysis of class inclusion: right or wrong?
Kohnstamm, Geldolph A.
Bok Språk ikke angitt 1967
Teaching children to solve a piagetian problem of class inclusion
Kohnstamm, Geldolph A.
Bok Engelsk 1967