Ardi Syah, Didi. “The Influence of Project Manager Competency and Construction Worker Competence Toward Performance of Construction Workers Medicated Variables of the Application of Occupational Health and Safety (OHS) Management System”. International Journal of Management and Education in Human Development 1, no. 02 (April 3, 2021): 01–08. Accessed September 10, 2025. https://ijmehd.com/index.php/ijmehd/article/view/142.