https://www.iisdisangrominuzianoalberti.edu.it/2022/04/07/decreto-legge-24-marzo-2022-n-24-impiego-delle-certificazioni-verdi-green-pass-base-chiarimenti/ Thu, 07 Apr 2022 08:38:09 +0000 hourly 1 https://wordpress.org/?v=6.3.2