N. Stępnicka, A. Novák Sedláčková, A. Novák, and M. Bugaj, “Analysis of the level of knowledge about local currencies in Poland and Slovakia as a tool of social economy and sustainable local development – research results”, EiS, vol. 97, no. 2, p. 1126, Apr. 2026, doi: 10.34659/eis.2026.97.2.1126.