Amigo Fernández de Arroyabe, María Luisa, Yolanda Lázaro Fernández, and Iñaki Moreno Navarro. “Leisure Humanistic Educational Principles in Lifelong Learning Programs for Adults of Spanish Universities”. Inguruak. Revista Vasca de Sociología y Ciencia Política0, no. 61 (December 22, 2016). Accessed November 9, 2026. https://inguruak.eus/index.php/inguruak/article/view/61-2016-art02.