Gunda Sahitya, Sangu Girija, Gorantla Madhuri, Mudavath Praveen Kumar, and G.Swathi Reddy, “Pupil Heart Rate Variability Monitoring Via Pupillary Fluctuations on MobileDevices”, FMEP, vol. 1, no. 4, pp. 16–26, Dec. 2025, doi: 10.69996/fmep.2025027.