YUSUF, Adamu Adamu; NNENNA HARMONY, Nwobodo-Nzeribe; EZE-STEVEN, Dr. Peter; CHARLES N, Nwabueze. Design and Implementation of Portable Low-Cost Heart Rate Monitoring ECG System. Engineering And Technology Journal, [S. l.], v. 10, n. 1, p. 3487–3492, 2025. DOI: 10.47191/etj/v10i01.05. Disponível em: http://everant.org/index.php/etj/article/view/1701. Acesso em: 21 jan. 2025.