Mohammad Annan Makruf Mustofa, Sucipto, and Arie Nugroho, “APPLICATION OF RANDOM FOREST FOR EARLY DETECTION OF PARKINSON’S DISEASE WITH SOUND FREQUENCY DATA”, quateknika, vol. 15, no. 02, pp. 25–37, Sep. 2025, doi: 10.35457/quateknika.v15i02.4563.