da Vinha, Luis Miguel, and Niklas Ernst. “The Unfinished Presidencies: Why Incumbent Presidents May Lose Their Re-Election Bids: As Presidências Inacabadas: Por Que Os Presidentes Em Exercício Podem Perder a Reeleição”. Perspectivas - Journal of Political Science, no. 18 (June 27, 2018): 7–20. Accessed May 4, 2024. https://www.perspectivasjournal.com/index.php/perspectivas/article/view/159.