European Open Procedure For The Awarding Of The School Meanwork Service With Reduced Environmental Impact For Students In Infancy, Primary And Secondary Schools Of The Don Bosco Comprehensive Institute Of Latronic And For Minors Enrolled In The Municipal Nursery For The School Years 2025/2026 2026/2027, According To The Minimum Environmental Criteria (C.A.M) For The Collective Catering Of C