TY  - JOUR 
T1  - Classroom observation in context: an exploratory study in secondary schools from Northern Colombia
JO  - Revista Brasileira de Educação
A1  - Parra, Juan David
A1  - Hernández, Carola
SN  - 1413-2478
UL  - 10.1590/S1413-24782019240005
VL  - 24 
Y1  - 2019
PB  - Brasil 
ER  -