TY  - BOOK
AU  - Tobin,Kenneth
TI  - practice of constructivism in science education
SN  - 0871685167
AV  - EDL LB1585.P73 
PY  - 1993///
CY  - New Jersey
PB  - Publishers Lawrence Erlbaum Associates
KW  - Science--Study and teaching--United States
N1  - Includes bibliographical references and index
ER  -