Maulana, I., A. M. Siregar, R. Rahmat, and A. Fauzi. “OPTIMIZATION OF MACHINE LEARNING MODEL ACCURACY FOR BRAIN TUMOR CLASSIFICATION WITH PRINCIPAL COMPONENT ANALYSIS ”. Jurnal Teknik Informatika (Jutif), Vol. 5, no. 3, June 2024, pp. 903-15, doi:10.52436/1.jutif.2024.5.3.2058.