Mustafa, M., Z. Mubarak, M. Z. Hasan, M. Z. Hussain, M. A. Yaqub, and A. A. Siddiqui. “Application Layer Issues and Challenges in Supply Chain 4.0”. Journal of Computers and Intelligent Systems, vol. 2, no. 1, May 2024, p. 14, https://journals.iub.edu.pk/index.php/JCIS/article/view/2734.