CARRINGTON LUE, Rosetta; BIRCHMEIER, Ryan. Public Sector Customer Service: Philly 311 - Triumphing to Transform Local Government Service Delivery. Social Innovations Journal, [S. l.], n. 15, 2013. Disponível em: https://socialinnovationsjournal.com/index.php/sij/article/view/10585. Acesso em: 11 may. 2026.