G. Schaefer

发表

New approaches to restructuring school biology

U. Kattmann, G. Schaefer, 1976 .

Biological education for community development

G. Schaefer, P. Kelly, 1980 .

Environmental Education — A New Word or a New Philosophy of Teaching?

Gerhard Schaefer, G. Schaefer, 1980 .

Concept Formation in Biology: The Concept 'Growth'

Gerhard Schaefer, G. Schaefer, 1979 .

A Folding Model of Concept Genesis and Its Application to Teaching Biology

Gerhard Schaefer, G. Schaefer, 1996 .

Systems thinking in biology education

G. Schaefer, 1996 .