Sapanji, R. A. E. V., D. Hamdani, and P. Harahap. “Sentiment Analysis of the Top 5 E-Commerce Platforms in Indonesia Using Text Mining and Natural Language Processing (NLP)”. Journal of Applied Informatics and Computing, Vol. 7, no. 2, Nov. 2023, pp. 202-11, doi:10.30871/jaic.v7i2.6517.