IMPLEMENTATION ANALYSIS OF OCCUPATIONAL SAFETY AND HEALTH IN THE OPERATING PROCESS A CRUSHER MACHINE AT THE PLASTIC WORKSHOP OF POLYTECHNIC ATK YOGYAKARTA. Settings Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit [Internet]. 2024 Dec. 16 [cited 2025 Aug. 31];22(1):10-5. Available from: http://e-jurnal.atk.ac.id/new-jurnal/index.php/bptkspk/article/view/11