Jumanto, J., Rofik, R., Sugiharti, E., Alamsyah, A., Arifudin, R., Prasetiyo, B. and Muslim, M.A. 2024. Optimizing Support Vector Machine Performance for Parkinson’s Disease Diagnosis Using GridSearchCV and PCA-Based Feature Extraction. Journal of Information Systems Engineering and Business Intelligence. 10, 1 (Feb. 2024), 38–50. DOI:https://doi.org/10.20473/jisebi.10.1.38-50.