LÓPEZ FIERRO, Saríah; PACHECO VILLAMAR, Rubén. Quantifying opinions expressed in tweets during the 2021 Ecuadorian Presidential Elections through Sentiment Analysis. Ecuadorian Science Journal, [S. l.], v. 5, n. 3, p. 209–219, 2021. DOI: 10.46480/esj.5.3.156. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/156.. Acesso em: 20 sep. 2025.