Boselli, F.C.L. and Leonetti, C.A. 2016. A critical Analysis of Bidding Exemption and Unenforceability – In Search of a Theory that Allows the Application in Specific Cases. Revista de Direito Administrativo e Gestão Pública. 2, 1 (Oct. 2016), 148–165. DOI:https://doi.org/10.26668/IndexLawJournals/2526-0073/2016.v2i1.655.