Amigo Fernández de Arroyabe ML, Lázaro Fernández Y, Moreno Navarro I. Leisure humanistic educational principles in lifelong learning programs for adults of Spanish universities. Inguruak [Internet]. 2016Dec.22 [cited 2026Nov.12];0(61). Available from: https://www.inguruak.eus/index.php/inguruak/article/view/61-2016-art02