Setyaningsih, Eka Rahayu. “Sentiment Classification Untuk Opini Berita SepakBola”. INSYST: Journal of Intelligent System and Computation 3, no. 2 (October 1, 2021): 93–98. Accessed December 5, 2024. https://jurnal.stts.edu/index.php/INSYST/article/view/193.