Clustering User Sentiments of Online Transportation Gojek and Grab Using the K-Means Method. Jurnal Tika, indonesia, v. 8, n. 2, p. 164–171, 2023. DOI: 10.51179/tika.v8i2.2165. Disponível em: https://journal.umuslim.ac.id/index.php/tika/article/view/2165. Acesso em: 15 mar. 2026.