Tri Romadloni, Nova, Wakhid Kurniawan, Muhammad Yusuf Ariyadi, and Burhan Efendi. “A Hybrid Approach of Pearson Correlation and PCA in Feature Selection for Opinion Mining”. IJID (International Journal on Informatics for Development) (November 18, 2025): 601–615. Accessed December 5, 2025. https://ejournal.uin-suka.ac.id/saintek/ijid/article/view/5195.