Yavorska, E., O. Strembitska, M. Strembitskyi, and I. Pankiv. “Development of a Simulation Model of a Photoplethysmographic Signal under Psychoemotional Stress”. Eastern-European Journal of Enterprise Technologies, vol. 2, no. 9 (110), Apr. 2021, pp. 36-45, doi:10.15587/1729-4061.2021.227001.