@article{{edma0-6}{}, author = {Beltrán-Pellicer, P.}, title = { Recuerdos del ayer}, journal = {Edma 0-6: Educación Matemática en la Infancia}, volume = {10}, number = {2}, year = {2021}, url = {https://edma0-6.es/index.php/edma0-6/article/view/171} }

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