Helen Parkhursts Dalton-Plan in den Vereinigsten Staaten
An edition of Helen Parkhursts Dalton-Plan in den Vereinigsten Staaten (1955)
By Heinrich Besuden
Publish Date
1955
Publisher
R. Suβmann
Language
ger
Pages
81
Description:
subjects: Dalton laboratory plan, Education, Experimental methods
People: Helen Parkhurst (1887-)
Places: United States