Rinanto, Noorman, et al. “Design of a Visual Welding Defect Inspection Robot on The Outer Piping Line System Based on The CNN Algorithm”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 14, no. 2, Apr. 2026, pp. 387-03, https://doi.org/10.52549/ijeei.v14i2.7641.