MUHAMMAD KHALIF FADHILAH; LULU CHAERANI MUNGGARAN. Developing Cost Effective Smartwatch Heart Rate Monitoring for Android Device. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), [S. l.], v. 7, n. 5, p. 1057–1063, 2023. DOI: 10.29207/resti.v7i5.5172. Disponível em: https://jurnal.iaii.or.id/index.php/RESTI/article/view/5172. Acesso em: 29 oct. 2026.