Caesarendra, Wahy, 		Ariswati, Her, 		Masnulula, Amalia, AND 		Firdaus, Nashucha Mutiara.
"Development of Cardiac Monitor Through Carotid Pulse, Phonocardiography and Electrocardiography" <em>Jurnal Teknokes</em> [Online], Volume 15 Number 2 (26 June 2022)