The technique for appraising certain observable behavior of children in science in elementary schools.

Bibliografische gegevens
Hoofdauteur: West, Joe Young 1904- (Auteur)
Formaat: Boek
Taal:English
Gepubliceerd in: New York, New York Teachers College, Columbia University 1937.
Reeks:Teachers College Columbia University. Contributions to education, no. 728