Umar, Risa Bernadip, Muhammad Tahir G, Siti Nuryani, Abu Bakar Betan, Indri Erwhani, and Hartono Hartono. “The Implementation of K3 Culture Towards Employee Productivity”. International Journal of Health Sciences 1, no. 4 (October 8, 2023): 439–448. Accessed May 8, 2026. https://jurnal.agdosi.com/index.php/IJHS/article/view/166.