TY  - BOOK
AU  - Abell,Sandra K
AU  - Pizzini,Edward L.
TI  - The effect of a problem solving in-service program on the classroom behaviors and attitudes of middle school science teachers
KW  - CLASES INTERMEDIAS
KW  - EDUCACION CIENTIFICA
KW  - FORMACION DE MAESTROS
KW  - INVESTIGACION EDUCATIVA
KW  - PRACTICA DOCENTE
ER  -