1. Aberson, C. L., Healy, M., & Romero, V. (2000). In –group bias and self –esteem: A meta –analysis. Personality and Social Psychology Review, 4, 157–173.
2. Androutsou, Α., & Askouni, Ν. (2001). The “other” students in school. From the integration of differences in “intercultural search”. Education: Cultural differences and social inequalities. Ethno – cultural differences and education. Volume Β΄. Patra: Greek Open University.
3. Babalis, T. (2015). Pedagogical science through place and time. New York: Nova Publishers.
4. Babalis, T., & Maniatis, P. (2013). Empowering identities in multicultural classroom: Communication, social interaction and intercultural education. In P. Aggelides & X. Xatzisotiriou (Eds.), Intercultural dialogue in education: Theoretical approaches, political beliefs and pedagogical practices. Athens: Diadrassi.
5. Babalis, Th., Tsoli, K., Koutouvela, Ch., Stavrou, N., & Konsolas, M. (2014). Classroom life in Greek primary school in the period of crisis. In 8th International Technology, Education and Development Conference (INTED 2014), 10–12 March 2014. Valencia.