@article{Alvarez_2018, title={Nota editorial}, url={https://revistas.uexternado.edu.co/index.php/contexto/article/view/5244}, DOI={10.18601/01236458.n47.01}, number={47}, journal={Con-texto}, author={Alvarez, Jose Manuel}, year={2018}, month={feb.}, pages={3–4} }