@Misc{BVMC:615818, author = {Colegio Juan de Rodrigo (Cogeces del Monte, Valladolid)}, title = {Matemáticas y TIC colgados en Youtube}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc76774} }