Voermans W, de Paula F, Netto L. Presidents and the multiparty system in Brazil: is coalitional presidentialism doomed to fail? President Dilma Rousseff’s constitutional occupational accident and new challenges under Bolsonaro’s government. A&C - R. de Dir. Administrativo & Constitucional. 2021;21(84):31-66. doi:10.21056/aec.v21i84.1576