GAWRON, G. The Relationship of the Public Sector and Citizens – Co-production in Polish Local Government Units. Empirical Study on Forty-One Units Forming Metropolis GZM. Przegląd Prawno-Ekonomiczny, [S. l.], n. 4, p. 9–36, 2022. DOI: 10.31743/ppe.13465. Disponível em: https://czasopisma.kul.pl/index.php/ppe/article/view/13465. Acesso em: 16 maj. 2024.