por Kohlberg, Lawrence, 1927-1987 [autor] | Zubiaur Zarate, Asun [traductor] | Kohlberg, Lawrence, 1927-1987. Essays on moral development.
por Kamii, Constance [autor] | Zubiaur Zarate, Asun [traductor] | Devries, Rheta [autor] | Idiazabal, Itziar [traductor] | Kamii, Constance. Piaget for early education.