2 + 2 doesn't always equal 4
Subtitle: understanding children's inventions
By: submitted by Merryl Ruth Goldberg
Published: 1991
Language: eng
Number of pages: 51
Subjects: Concepts in children; Cognition in children; Child development
Other titles: Two plus two doesn't always equal four.
Notes: Passed in TCLE, January 1991.

Qualifying paper--Harvard Graduate School of Education, 1991.

Bibliography: leaves [1]-[4].