Bicaj, Arberore, Violeta Buza, and Bleona Bicaj. “Evaluating School Performance: Insights from Teachers and Principals on Teaching and Learning and Teacher Professional Development Quality Indicators”. Journal of Education Culture and Society 17, no. 1 (June 27, 2026): 219–244. Accessed June 28, 2026. https://www.jecs.pl/index.php/jecs/article/view/1913.