-
1
The teaching of mathematics in the elementary school
Published 1969“…International series in elementary education.…”
Book -
2
The elementary school principal in action.
Published 1970“…International series in elementary education.…”
Book -
3
Building mathematics concepts in grades kindergarten through eight
Published 1970“…International series in elementary education.…”
Book -
4
The critical years: early childhood education at the crossroads.
Published 1970“…International series in elementary education.…”
Book -
5
-
6