Mahardika, I. K. E. G., Hamzah, T., Rahmawati, T. and Soetjiatie, L. (2019) “Measuring Respiration Rate Based Android”, Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics, 1(1), pp. 39-44. doi: 10.35882/ijeeemi.v1i1.7.