@article{parra_hernández_2019,  title={Classroom observation in context: an exploratory study in secondary schools from Northern Colombia},  volume={24},  ISSN={1413-2478},  url={https://doi.org/10.1590/S1413-24782019240005},  DOI={10.1590/S1413-24782019240005},  journal={Revista Brasileira de Educação},  publisher={ANPEd - Associação Nacional de Pós-Graduação e Pesquisa em Educação},  author={Parra, Juan David and Hernández, Carola},  year={2019},  pages={e240005} }