Dynowska, Joanna, and Grzegorz Wrona. “Disclosure of Segment Reporting in Financial Statements of Polish Listed Companies Before and After Covid-19 Pandemic”. Olsztyn Economic Journal 20, no. 1 (May 28, 2025): 55–67. Accessed December 6, 2025. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/10807.