KIRTIKA. Enhancing Sentiment Classification Accuracy of Amazon Product Reviews via NLP Approaches. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 12, n. 4, p. 5752 –, 2024. Disponível em: https://www.ijisae.org/index.php/IJISAE/article/view/7601. Acesso em: 30 sep. 2025.