@article{VV.AA_2013, title={Libros de competencias}, url={https://revistas.comillas.edu/index.php/padresymaestros/article/view/1298}, number={329}, journal={Padres y Maestros / Journal of Parents and Teachers}, author={VV.AA, VV.AA}, year={2013}, month={dic.}, pages={41–42} }