TY  - BOOK
TI  - Science for all children: a guide to improving science education in your school district / 
SN  - 0309052971  
U1  - TR 372.3 S388 1996 
PY  - 1996///
CY  - Washington DC : 
PB  - National Academy Press, 
KW  - Science--study and teaching (elementary)--united states
KW  - Science--study and teaching (elementary)--united states--case studies
KW  - Problem--based learning--united states
N1  - Includes bibliographical resources and index
ER  -