Kwatera, Anna, and Mariusz Dzięglewski. “Implementation of the Good Behavior Game in Polish Elementary Schools Under COVID-19 Restrictions”. Multidisciplinary Journal of School Education 12, no. 2 (24) (December 30, 2023): 79-103. Accessed December 1, 2024. https://czasopisma.ignatianum.edu.pl/jpe/article/view/2426.