Nashrullah, Muhammad ’Aamir, Pradini Puspitaningayu, Hapsari Peni Agustin Tjahyaningtijas, Bagus Fikril Alan, Yohanes Yohanie Fridelin Panduman, and Lucy Widya Fathir. 2025. “Classification on Heart Rate Zone Using SVM With Random Search: A Comparative Study With RF and XGBoost ”. Journal of Intelligent System and Telecommunication 1 (2):162-74. https://doi.org/10.26740/jistel.v1n2.p162-174.