Urrochman, Maysas Yafi, et al. “Aspect-Based Sentiment Analysis of Tumpak Sewu Waterfall Tourist Reviews Using the Naive Bayes Classifier (NBC) Method”. Journal of Informatics Development, vol. 4, no. 1, Oct. 2025, pp. 18-26, doi:10.30741/jid.v4i1.1758.