NANABOINA VINAY; SURAYA MUBEEN. HEARTATTACK DETECTION BY HEARTBEAT SENSING USING IOT. Utilitas Mathematica , [S. l.], v. 122, n. 1, p. 3078–3085, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/2627. Acesso em: 26 jul. 2026.