Tanzil, A., Barasa, R. A., Laia, Y. and Banjarnahor, J. (2023) “Analysis of Method C5.0 in Triggering Factors The Number of Covid-19 Increases or Decreases After Getting the Vaccine”, Jurnal Sistem Informasi dan Ilmu Komputer, 6(2), pp. 35-37. doi: 10.34012/jurnalsisteminformasidanilmukomputer.v6i2.3410.