Nasrudin, Muhammad, Nur Iriawan, Kartika Fithriasari, Anindya Apriliyanti Pravitasari, and Taufiq Hidayat. 2022. “On the YOLOv4 Architecture for Fast and Real Time Congenital Heart Disease Detection Via Ultrasound Videos”. MATEMATIKA: Malaysian Journal of Industrial and Applied Mathematics 38 (2):103-14. https://matematika.utm.my/index.php/matematika/article/view/1373.