Books listed by ISBN
Judith Helm
J. H.
Teachers College Press
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Young Investigators: The Project Approach in the Early Years
978-0-8077-4016-3
(0-8077-4016-0)
2000
Judy Harris Helm ยท Lilian Katz
Judith Hemschemeyer