Stępnicka, Nina, Beata Sadowska, Robert Walasek, Grzegorz Zimon, and Dariusz Brzozowiec. “Sustainable Local Development in Relation to Complementary Currencies on the Example of the Polish Currency Zielony”. Technological and Economic Development of Economy 29, no. 2 (March 20, 2023): 618–652. Accessed November 9, 2024. https://jest.vgtu.lt/index.php/TEDE/article/view/18341.