Proclamation 1/2024 Implementation Of A Dynamic Purchasing System (Dsa) Through The Esidis System For The Supply Of Consumables (Inks, Drums, Etc.) And Stationery Items To Meet The Needs Of The Services Of The Region Of Attica, The Offices Of Publications And The Ke.D.A.S.Y For The Years 2024, 2025 And 2026.