Santi, S., and H. Februariyanti. “IMPLEMENTATION OF CLUSTERING ON TWEET UPLOADING SIDE EFFECTS OF COVID-19 POST VACCINATION USING K-MEANS ALGORITHM ”. Jurnal Teknik Informatika (Jutif), Vol. 4, no. 4, Aug. 2023, pp. 779-86, doi:10.52436/1.jutif.2023.4.4.704.