Anadra, R. et al. 2025. Sentiment Analysis of Tokopedia Customer Reviews Using BiLSTM and IndoBERT with Comparative Analysis of Preprocessing and Labeling Methods. International Journal of Advances in Data and Information Systems. 6, 3 (Dec. 2025), 773–788. DOI:https://doi.org/10.59395/ijadis.v6i3.1458.