TY  - BOOK
AU  - Groth,Randall E.
TI  - Teaching mathematics in grades 6-12: developing research-based instructional practices 
SN  - 9781412995689 (pbk.)
AV  - QA 11.2 G881t 2013
U1  - 510.71/2 
PY  - 2013///
CY  - Thousand Oaks
PB  - SAGE Publications
KW  - Mathematics
KW  - Study and teaching (Secondary)
KW  - Study and teaching (Middle school)
KW  - Matemáticas
KW  - Enseñanza
KW  - Enseñanza secundaria
N1  - Includes bibliographical references and index
ER  -