Tłuściak-Deliowska, Aleksandra, Urszula Dernowska, and Steve Gruenert. “How School Achievements Interplay With School Culture and Principal Behaviors: A Comparative Study”. Psycho-Educational Research Reviews 6, no. 1 (April 1, 2017): 10–22. Accessed July 3, 2024. https://perrjournal.com/index.php/perrjournal/article/view/282.