Mugaahed Abdu Kaid Saleh, and Manjunath K. R. “Barriers of Digitalizing the Business Process Among Yemeni Enterprises: Empirical Investigation”. International Journal of Management and Human Science (IJMHS), vol. 5, no. 3, July 2021, pp. 32-52, https://ejournal.lucp.net/index.php/ijmhs/article/view/1523.