Hamzah, T., E. D. Setioningsih, S. Sumber, and N. Ragimova. “Electronic Stethoscope Design With IoT (Internet of Things)-Based Disease Symptom Detection”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics, Vol. 4, no. 4, Nov. 2022, doi:10.35882/ijeeemi.v4i4.247.