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Continue to ChatAcreditación del proyecto europeo STARS (Sustainable Travel Accreditation and Recognition for Schools), nivel plata para Griseras https://griserascolegiopublico.educacion.navarra.es/blogs/blog/2019/05/14/acreditacion-del-proyecto-europeo-stars-sustainable-travel-accreditation-and-recognition-for-schools-nivel-plata-para-griseras/