Wirdayani, Annisa. “PENGARUH KESELAMATAN DAN KESEHATAN KERJA (K3) TERHADAP PRODUKTIVITAS KERJA KARYAWAN DI PT PLN (PERSERO)”. ZAHRA: JOURNAL OF HEALTH AND MEDICAL RESEARCH 3, no. 3 (June 30, 2023): 330–339. Accessed July 5, 2025. https://www.adisampublisher.org/index.php/aisha/article/view/451.