Sirait, Glen Virdho, et al. “Classification of Hypertension Using Support Vector Machine Based on Data Photoplethysmography and Blood Pressure Estimator”. JURNAL TEKNOLOGI DAN ILMU KOMPUTER PRIMA (JUTIKOMP), vol. 8, no. 2, Oct. 2025, pp. 162-7, doi:10.34012/jutikomp.v8i2.7658.