Muhammad Mizan Siregar, M., I. Daniel, and A. F. Limas Ptr. “PCA IMPACT ON SVM PERFORMANCE: VARIABLE SIGNIFICANCE IN QUESTIONNAIRE DATA”. JICDA: Journal of Informatics, Computer Science, Data Science And Artificial Intelligence, vol. 1, no. 1, Dec. 2023, https://publication.arstech.co.id/index.php/JICDA/article/view/22.