Vergara-Romero, Arnaldo, Muman Rojas-Dávila, and Alex Olalla-Hernández. “Does Money Help Elections? Analysis of the Impact of Campaign Spending and Incumbency in Ecuador”. Amazonia Investiga 11, no. 57 (November 8, 2022): 172-180. Accessed April 20, 2024. https://amazoniainvestiga.info/index.php/amazonia/article/view/2155.