Comparative Evaluation of Machine Learning Models for Heavy Crude Oil Viscosity Prediction Using Repeated Nested Cross-Validation and Independent Holdout Testing. Indonesian Journal of Data and Science, [S. l.], v. 7, n. 2, p. 247–160, 2026. DOI: 10.56705/ijodas.v7i2.455. Disponível em: https://www.jurnal.yoctobrain.org/index.php/ijodas/article/view/455. Acesso em: 6 sep. 2026.