S. . Jian Cheng, A. K. . . Mahamad, S. . . Saon, M. A. Ahmadon, and S. . Yamaguchi, “Barcode Document Tracking System”, EICCS, vol. 1, no. 1, pp. 9–20, Jan. 2022, Accessed: Jul. 01, 2024. [Online]. Available: https://publisher.uthm.edu.my/bookseries/index.php/eiccs/article/view/9