Mohsin Javaid Siddiqui, and Scott Uk-Jin Lee. “Towards Increasing Operational Flexibility in Using Industry 4.0 Enabling Technologies: A Case Study in South Korea”. Physical Education, Health and Social Sciences 3, no. 3 (August 1, 2025): 1–14. Accessed August 2, 2025. https://journal-of-social-education.org/index.php/Jorunal/article/view/564.