Hasanah, Novrindah Alvi, Nanik Suciati, and Diana Purwitasari. “Identifying Degree-of-Concern on COVID-19 Topics With Text Classification of Twitters”. Register: Jurnal Ilmiah Teknologi Sistem Informasi 7, no. 1 (February 16, 2021): 50–62. Accessed July 3, 2024. https://journal.unipdu.ac.id/index.php/register/article/view/2234.