Martínez-Molina, Sandra, Jorge Garcés Ferrer, Barbara Haage, Špela Reš, & Elina Järvenpää. " Challenging Issues Facing the Professionals of Child Protection in Estonia, Finland, Slovenia and Spain: A Comparative Study." European Journal of Social Science Education and Research [Online], 3.4 (2016): 156-168. Web. 25 Aug. 2019