TY  - BOOK
TI  - Review of research related to environmental education
T2  - Research review series - Environmental Education; no.1
U1  - 333.7072 
PY  - 1972///
CY  - Ohio
PB  - ERIC Information Analysis Center for Science Mathematics and Environmental Education
KW  - Ecology-Study and Teaching
N1  - Contents; v.1972: by Robert E. Roth & Stanley L. Helgeson; v.1973/76: by Robert E. Roth
ER  -