Optimal Preprocessing and Feature Engineering Combination for DANA App Sentiment Classification: A Full Factorial Study. Scientific Journal of Informatics, [S. l.], v. 13, n. 4, p. 767–782, 2026. DOI: 10.15294/sji.v13i4.58535. Disponível em: https://journal.unnes.ac.id/journals/sji/article/view/58535. Acesso em: 1 nov. 2026.