https://www.naiz.eus/fr/hemeroteca/gara/editions/2018-04-21/hemeroteca_articles/miles-de-jovenes-dejan-las-aulas-en-eeuu-para-exigir-un-mayor-control-de-armas?slug=miles-de-jovenes-dejan-las-aulas-en-eeuu-para-exigir-un-mayor-control-de-armas