Trippner, Paweł, and Rafał Jóźwicki. “The Essence, Methods and Results of Assessing Profitability of a Non-Public University”. Journal of Finance and Financial Law 1, no. 33 (March 25, 2022): 59–77. Accessed December 21, 2025. https://czasopisma.uni.lodz.pl/fipf/article/view/13003.