Open Procedure Pursuant To Art. 71 Of Legislative Decree 36/2023 For The Assignment Of The Service Management Of The Integrated Day Center (Cdi) For The Elderly Of The Municipality Of Vignate (Mi), Exployed Via Sintel Platform Of Aria S.P.A. With The Offer Criterion 1 1 Economically More Advantageous Pursuant To Of Art. 108, Paragraph 2, Lett. A) Of Legislative Decree 36/2023