Adnan, Taif Firas, Abdullah Naser Khdaer, Abdullah Khalil Ismail, and Mohammed Mosa Mahmood. 2025. “Design of Electronic Stethoscope and Heartbeat Monitor Using Arduino”. American Journal of Botany and Bioengineering 2 (3):71-82. https://biojournals.us/index.php/AJBB/article/view/702.