Amalia, R., Sadik, K. and Notodiputro, K. 2023. A PRELIMINARY STUDY OF SENTIMENT ANALYSIS ON COVID-19 NEWS: LESSON LEARNED FROM DATA ACQUISITION, PRE-PROCESSING, AND DESCRIPTIVE ANALYTICS. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 17, 4 (Dec. 2023), 1901-1914. DOI:https://doi.org/10.30598/barekengvol17iss4pp1901-1914.