Nikolaou, Eleni, and Georgios Markogiannakis. “Greek Preschool Teachers’ Perceptions about the Effective Strategies for Bullying Prevention in Preschool Age”. International Journal of Criminology and Sociology 6 (November 3, 2017): 172–177. Accessed April 30, 2024. https://www.lifescienceglobal.com/pms/index.php/ijcs/article/view/5001.