TY  - JOUR 
T1  - Teachers' pedagogical content knowledge and its relation with students' understanding
JO  - Revista Brasileira de Educação
A1  - Olfos, Raimundo
A1  - Goldrine, Tatiana
A1  - Estrella, Soledad
SN  - 1413-2478
UL  - 10.1590/S1413-24782014000900006
VL  - 19 
Y1  - 2014
PB  - Brasil 
ER  -