KALINKOV, Kalin; MARKOVA, Valentina. Preprocessing of PPG and EDA signals for detection of emotional and cognitive states via physiological signals. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 6, n. 2, p. 49–56, 2022. DOI: 10.29114/ajtuv.vol6.iss2.253. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/253. Acesso em: 2 oct. 2025.