PAPPANO, Danilo. Le c.d. “offerte a zero” negli appalti pubblici: The so-called “at zero tenders” in public procurements. DPCE Online, [S. l.], v. 45, n. 4, 2021. DOI: 10.57660/dpceonline.2020.1218. Disponível em: https://www.dpceonline.it/index.php/dpceonline/article/view/1218. Acesso em: 30 apr. 2025.