![](/img/cover-not-exists.png)
The Development of Informal and Formal Mathematical Thinking in Korean and U. S. Children
Song, Myung-Ja, Ginsburg, Herbert P.Volume:
58
Language:
english
Journal:
Child Development
DOI:
10.2307/1130621
Date:
October, 1987
File:
PDF, 394 KB
english, 1987