Voermans, W. et al. 2021. 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 - Revista de Direito Administrativo & Constitucional. 21, 84 (jun. 2021), 31–66. DOI:https://doi.org/10.21056/aec.v21i84.1576.