Jusia, P. A., A. Rahim, H. Yani, and J. Jasmir. “Improving Performance of KNN and C4.5 Using Particle Swarm Optimization in Classification of Heart Diseases”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), Vol. 8, no. 3, June 2024, pp. 333 -9, doi:10.29207/resti.v8i3.5710.