Open Procedure For The Three-Year Assignment Of The Cleaning Service For The Consortium Offices In Sassari (Lot No. 1) And The Consortium Offices In The Industrial Agglomerations Of Porto Torres, Alghero-San_Marco And Sassari-Truncu Reale (Lot 2) With The Criterion Of The Most Economically Advantageous Offer Based On The Best Quality/Price Ratio