"SUPPLY OF FOOD" AND "SUPPLY OF BASIC MATERIAL SUBSCRIPTION ITEMS" OF THE ACT "DECENTRALIZED SUPPLY OF FOOD AND BASIC MATERIAL SUBSCRIPTION, ADMINISTRATIVE EXPENSES AND PROVISION OF ACCOMPANYING MEASURES 2015-2016-KS PE XANTHIS (MIS: 5000133)" and OF THE ACT "DECENTRALIZED SUPPLY OF FOOD AND BASIC MATERIAL SUBSCRIPTION, ADMINISTRATIVE EXPENDITURE AND PROVISION OF ACCOMPANYING MEASURES 2018-2019-KS PE XANTHIS (MIS: 5029827)" WITHIN THE FRAMEWORK OF THE OPERATIONAL PROGRAM OF FOOD AND BASIC MATERIAL SUBSCRIPTION OF THE FUND OF EUROPEAN AID TO THE NEEDY (T.E.B.A.) OF THE "STI-RIZO" SOCIAL PARTNERSHIP OF P.E.XANTHI (EXPIRED)