Collado, M.C., & Atxurra, R.L.(2006). Democratic citizenship in textbooks in Spanish primary curriculum. Curriculum studies, 38 (2): 205-228.
Fass, D., & Ross,W. (2012). Identity, diversity and citizenship: A critical analysis of textbooks and curricula in Irish schools. International Sociology, 27 (4):574-591.
Kennedy, K. (ed), (2016). Citizenship education and the modern state, London: the falmer press. P 63-79.
Rivelli, S. (2010). Citizenship Education at high School. A comparative study between Blzano and Padova (ITALY). Procedia social and behavioral Science, 2 (2): 4200-4207.
Sears, A., & Hébert,Y. (2005). Citizenship Education. Canadian Education Association, Available at: https://www.ca/mediaen/citizenship _education.
Turner, B.S & Hamilton, P .(1994). (ed) Citizenship: Critical Concept, Routledg, vol.2.
Veugelers, W. (2007). Creating critical-democratic citizenship education: empowering humanity and democracy in Dutch educationCompare: A Journal of Comparative and International Education, 37 (1): 105 – 119.
Westheimer, J., & Kahane, J. (2004). What Kind of Citizen?the politics of educating for democracy American. Educational Research Journal, 41(2), 237-269.