https://www.ic11bo.it/2021/08/23/cerificazione-verde-covid-19-per-avvio-in-sicurezza-a-s-2021-22/ Via Filippo Beroaldo, 34 40127 Bologna Mon, 23 Aug 2021 08:30:27 +0000 hourly 1 https://wordpress.org/?v=6.0.9