C1-26 Open European Procedure, Art. 71 Legislative Decree 36/2023 And Subsequent Amendments, For The Assignment Of The Discovery Tool And Management Of Electronic Resources Service In Saas Mode Of The University Of Cagliari, With The Criterion Of The Most Economically Advantageous Offer, Best Quality/Price Ratio, For A Duration Of 36 Months With Maximum Implementation Of 6 Months, Plus An Extension Of 36 Months.