PRABOWO, Gadang Hendra et al. Perancangan Stetoskop Elektronik Portable. Jurnal Teknokes, [S.l.], v. 12, n. 1, p. 39-44, sep. 2019. ISSN 2407-8964. Available at: <https://teknokes.poltekkesdepkes-sby.ac.id/index.php/Teknokes/article/view/19>. Date accessed: 18 nov. 2024.