@article{Martinez Perez._2016, title={Preliminares}, url={https://revistas.pedagogica.edu.co/index.php/TED/article/view/6143}, DOI={10.17227/01203916.6143}, number={40}, journal={Tecné, Episteme y Didaxis: TED}, author={Martinez Perez., Leonardo Fabio}, year={2016}, month={jul.} }