TY  - BOOK
AU  - Tobin, Kenneth ed.
TI  - Practice of constructivism in science education
SN  - 0-8058-1878-2
U1  - 507.1 23rd.
PY  - 1993///
CY  - New York
PB  - Routledge 
KW  - Science-Study and teaching
KW  - Constructivism (Education)
ER  -