PIONTEK, Wojciech. The Problem of Waste Intensity in Entrepreneurial Business Models. Central and Eastern European Economic Review, Kraków, Poland, n. 16, p. 99–116, 2017. DOI: 10.15678/AOC.2017.1606. Disponível em: https://ceeer.uek.krakow.pl/index.php/aoc/article/view/944. Acesso em: 30 may. 2026.