Oruetxebarria Fernandez de la Peña, OsaneRivas Ulloa, Judith2024-12-052024-12-0544820https://doi.org/10.1387/ekaia.21529https://ojs.ehu.eus/index.php/ekaia/article/view/21529/19755https://gordailua.ueu.eus/handle/123456789/21271Euskal HerriaFolkloreaMatematikaarticle