SENTIMENT ANALYSIS OF COVID-19 TWEETS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 5, n. 1, p. 566–576, 2021. DOI: 10.33003/fjs-2021-0501-690. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/690. Acesso em: 2 sep. 2025.