SZRENIAWSKI, Piotr. Social exclusion from the perspective of hierarchy competition theory. Social Entrepreneurship Review, Poland, v. 1, p. 13–21, 2020. DOI: 10.15678/ES.2020.1.02. Disponível em: https://ser.uek.krakow.pl/index.php/ser/article/view/19.. Acesso em: 18 apr. 2025.