Megawati, Citra Dewi, salnan Ratih Asriningtias, Bima Romadhon Parada Dian Palevi, Teo Pei Kian, Bayu Sutawijaya, and Ratna Diana Fransiska. “ECG-Based Heart Rate Variability and KNN Classification for Early Detection of Baby Blues Syndrome in Postpartum Mothers”. Sinkron : jurnal dan penelitian teknik informatika 9, no. 4 (October 2, 2025): 2026-2037. Accessed July 21, 2026. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/14956.