Nurmalasari, N., W. Astuti, W. Gata, and I. Zuniarti. “SENTIMENT ANALYSIS OF INDONESIAN COMMUNITY ON COVID-19 VACCINATION ON TWITTER SOCIAL MEDIA”. Jurnal Pilar Nusa Mandiri, Vol. 18, no. 2, Sept. 2022, pp. 161-6, doi:10.33480/pilar.v18i2.3820.