la-concentrazione-dellattenzione-e-la-sua-portata-nellodierna-pedagogia-the-concentration-of-attention-and-its-importance-in-todays-pedagogy-u5ebt8yy Post date May 26, 2023 Tags Conferences, Helene Helming - Writings, International Montessori Congress (11th, Rome, Italy, 26-28 September 1957) ← ricordi-di-mio-nonno-mario-montessori-gy43d4cu → the-education-of-the-child-from-six-months-to-six-years-of-age-results-and-observations-risultati-ed-osservazioni-sulleducazione-di-un-bambino-dalleta-di-sei-mesi-fino-a-sei-anni-jklc5v2t