@article{Parra_2009, title={PresentaciĆ³n}, volume={10}, url={https://educacionyeducadores.unisabana.edu.co/index.php/eye/article/view/671}, abstractNote={-}, number={1}, journal={EducaciĆ³n y Educadores}, author={Parra, Ciro}, year={2009}, month={ago.}, pages={7} }