TY  - BOOK
AU  - Tinker,Robert
AU  - Krajcik,Joseph S.
TI  - Portable technologies: science learning in context 
SN  - 0306466430
AV  - Q197 P51
PY  - 2001///
CY  - New York
PB  - Kluwer Academic/Plenum Publishers
KW  -  
KW  - Science
KW  - Pocket computers
KW  - Education
UR  - l
ER  -