SEPTIAN, J. A.; FACHRUDIN, T. M.; NUGROHO, A. Analisis Sentimen Pengguna Twitter Terhadap Polemik Persepakbolaan Indonesia Menggunakan Pembobotan TF-IDF dan K-Nearest Neighbor. INSYST: Journal of Intelligent System and Computation, Surabaya, Indonesia, v. 1, n. 1, p. 43–49, 2019. DOI: 10.52985/insyst.v1i1.36. Disponível em: https://jurnal.stts.edu/index.php/INSYST/article/view/36. Acesso em: 29 may. 2024.