Med Devices (Auckl) 2019 30;12:497-504. Epub 2019 Dec 30.
Department of Electrical Engineering, Magister Program of Engineering Technology, Electronic Engineering Polytechnic Institute of Surabaya, Surabaya, Indonesia.
Adv Exp Med Biol 2011 ;696:481-8
Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia.