European Tender Pursuant To Art. 71 Of Legislative Decree No. 36/2023 For The Conclusion Of A Framework Agreement With A Single Economic Operator For The Assignment Of The Management Service Of Family Centers And Additional Services Aimed At The Underage Population And Families Of The Municipalities Of The Social Zone N. 2 With The Criterion Of The Most Economically Advantageous Offer Pursuant To Art. 108 Of Legislative Decree 36/2023.