izzati lizahra, Silaban G, Naria E. THE RELATIONSHIP BETWEEN THE RISK OF OBSTRUCTIVE SLEEP APNEA (OSA) AND THE SAFETY PERFORMANCE OF CRANE OPERATOR WORKERS AT PT TERMINAL PETIKEMAS BELAWAN. ijhes [Internet]. 2023Oct.31 [cited 2026Oct.7];6(10). Available from: https://ijhes.com/index.php/ijhes/article/view/318