NENI. Accuracy of Learning Method Implementation in Higher Education Using K-Means Clustering and Silhouette Coefficient. Open Science and Technology, [S. l.], v. 5, n. 2, p. 76–89, 2025. DOI: 10.33292/ost.v5i2.159. Disponível em: https://www.opscitech.com/journal/article/view/159. Acesso em: 2 feb. 2026.