Some Trends in the Development of Concrete Reasoning in Children: A Note to Jan Smedslund's “Concrete Reasoning: A Study in Intellectual Development”
Zern, DavidVolume:
115
Language:
english
Journal:
The Journal of Genetic Psychology
DOI:
10.1080/00221325.1969.10533865
Date:
September, 1969
File:
PDF, 194 KB
english, 1969