Ansyari, M. R., Mazdadi, M. I., Indriani, F., Kartini, D. and Saragih, T. H. (2023) “Implementation of Random Forest and Extreme Gradient Boosting in the Classification of Heart Disease using Particle Swarm Optimization Feature Selection”, Journal of Electronics, Electromedical Engineering, and Medical Informatics, 5(4), pp. 250-260. doi: 10.35882/jeeemi.v5i4.322.