Kosiba, Grażyna. “Teacher?S Professional Performance ? Prevailing Trends (Based on the Example of Teachers from the Małopolska Region in Poland)”. INSTED: Interdisciplinary Studies in Education & Society 14, no. 4(56) (December 31, 2011): 27–42. Accessed June 8, 2025. https://insted-tce.pl/ojs/index.php/tce/article/view/375.