YUVARAJ, T.; BINDUSHRI; CHANDANA, G. S.; SHETTY, Dhanya; SANIL, Hemalatha. Development of Prototype Heart Pulse Rate Monitoring System. International Journal of Research in Engineering, Science and Management, [S. l.], v. 4, n. 7, p. 172–174, 2021. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/1023.. Acesso em: 5 may. 2024.