@article{Parra Moreno_2011, title={PresentaciĆ³n}, volume={14}, url={https://educacionyeducadores.unisabana.edu.co/index.php/eye/article/view/2040}, number={3}, journal={EducaciĆ³n y Educadores}, author={Parra Moreno, Ciro}, year={2011}, month={dic.} }