SETYANINGSIH, E. R. Sentiment Classification untuk Opini Berita SepakBola. INSYST: Journal of Intelligent System and Computation, Surabaya, Indonesia, v. 3, n. 2, p. 93–98, 2021. DOI: 10.52985/insyst.v3i2.193. Disponível em: https://jurnal.stts.edu/index.php/INSYST/article/view/193. Acesso em: 29 may. 2024.