[Maria Montessori--a critical estimation of her effectiveness on the occasion of the 100th anniversary of her birth].
D001296:Audiovisual Aids; D004495:Education of Persons with Intellectual Disabilities / Q000266:history*; D004519:Education, Special / Q000266:history*; D005069:Evaluation Studies as Topic; D049672:History, 19th Century; D049673:History, 20th Century; D008722:Methods
Maria Montessori--eine kritische Würdigung ihrer Wirksamkeit anlässlich der 100. Wiederkehr ihres Geburtstages.