Kawa, Barbara. “Calculation Formulas in the Statement of Cash Flows Prepared According to the Polish Regulations – Proposals for Changes”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 4(982), Apr. 2020, pp. 39-58, https://doi.org/10.15678/ZNUEK.2019.0982.0403.