Noorzelan, M. R., M. F. . Kamarudin, and N. R. Masrom. “Exploring the Challenges of Industry 4.0 Entrepreneurs: A Grounded Theory Approach”. Journal of Technology Management and Technopreneurship (JTMT), vol. 12, no. 1, June 2024, pp. 10-23, https://jtmt.utem.edu.my/jtmt/article/view/6083.