Open Procedure, Single Lot, Pursuant To Art. 17, Paragraph 1, And Of The Art. 71 Of The Legislative Decree. 31 March 2023, N. 36, With Award Through The Criteria Of The Most Economicly Advantageous Offer (O.E.V.), For The Assignment Of The Management Service Of “Abito Bergamo” – Housing Agency Of The Municipality Of Bergamo 2026-2030