RANCANG BANGUN ALAT FETAL DOPPLER BERBASIS IoT. Interdisciplinary Journal of MedTech and EcoEngineering, [S. l.], v. 1, n. 2, p. 24–29, 2024. DOI: 10.35328/1v33r773. Disponível em: https://jurnal.ikta.ac.id/ijme/article/view/2868. Acesso em: 17 may. 2025.