Accordino, Patrizia, Raffaella Coppolino, Carlo Giannetto, and Elvira Tiziana La Rocca. “Yukker: Focus on an Innovative Social Start-Up”. Social Entrepreneurship Review 1 (September 30, 2022): 33–43. Accessed November 20, 2024. https://ser.uek.krakow.pl/index.php/ser/article/view/87.