Michalelis, M. ., K. Tsioumis, A. . Kyridis, D. . Papageridou, and E. . Sotiropoulou. “National Holidays in Greek Multicultural School: Vies of Pre- Service Teachers”. International Journal of Learning, Teaching and Educational Research, vol. 14, no. 2, Dec. 2015, pp. 111-30, https://ijlter.net/index.php/ijlter/article/view/992.