Syaifudin, Yan Watequlis, and Dwi Puspitasari. “TWITTER DATA MINING FOR SENTIMENT ANALYSIS ON PEOPLES FEEDBACK AGAINST GOVERNMENT PUBLIC POLICY”. MATTER: International Journal of Science and Technology 3, no. 1 (January 30, 2017): 110–122. Accessed May 5, 2024. https://grdspublishing.org/index.php/matter/article/view/1838.