Gawęda, Adrian, and Artur Sajnóg. “Cross-Sectoral Detection of the Return on Equity Determinants Based on the 7-Factor DuPont Model”. Studia Prawno-Ekonomiczne 114 (June 1, 2020): 217–234. Accessed May 7, 2024. https://journals.ltn.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/821.