Jaworska, Maja, and Korneliusz Ślaź. “Digitalisation of Cash Transactions in Non-Profit Institutions: A Case Study of E-Taca System Implementations in Poland”. Scientific Journal of Bielsko-Biala School of Finance and Law, vol. 30, no. 2, June 2026, doi:10.19192/wsfip.sj2.2026.5.