Azhar, Mohamed Syahrir, and Low Cheng Yee. “Visual Inspection of Casting Product Using Convolutional Neural Network (CNN)”. Research Progress in Mechanical and Manufacturing Engineering, vol. 3, no. 1, Aug. 2022, pp. 884-92, https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/6560.