RAMADHAN, M. Fajar. Klasifikasi Topik dan Sentimen Judul Berita dengan Augmentasi dan TF-IDF. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 2, p. 6732–6741, 2025. DOI: 10.31004/riggs.v4i2.1692. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1692. Acesso em: 14 nov. 2026.