"Éducation permanente." . . . . . . "Learning to listen : A guide to methods of adult non-formal education"@en . . . . . . . . . . . . . . . . . . . "Learning to listen : a guide to methods of adult nonformal education" . . . "Erwachsenenbildung." . . "Éducation des adultes." . . "Volwassene onderwys." . . "Didaktik." . . "Écoute (Psychologie)" . . "Éducation non-formelle." . . "Informele onderwys." . .