masripah, siti, and Rizal Amegia Saputra. “Sentiment Analysis on Import Tariff Policy and Gold Price Increase With TF-IDF”. Jurnal Riset Informatika 7, no. 3 (June 11, 2025): 87–92. Accessed December 30, 2025. https://ejournal.kresnamediapublisher.com/index.php/jri/article/view/361.