1. Department of Economic and Social Affairs, Sustainable Development. Goal 11https://sdgs.un.org/goals/goal11
2. Maintaining the Sustainability of Critical Infrastructure;Tafazzoli,2019
3. Council Directive of 8 December 2008 (2008/114/EC)https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv%3AOJ.L_.2008.345.01.0075.01.ENG
4. Council Decision of 12 February 2007 (2007/124/EC, Euratom)http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2007:058:0001:0006:EN:PDF
5. Green Paper on a European Programme for Critical Infrastructure Protection, November 2005http://eur-lex.europa.eu/legal-content/GA/TXT/?uri=celex:52005DC0576