“Dampak Penerapan 5R (Ringkas, Rapi, Resik, Rawat, Rajin) Dan K3 ( Keselamatan Dan Kesehatan Kerja ) Terhadap Kinerja Perusahaan”. PROFESOR : Professional Education Studies and Operations Research 2, no. 01 (June 13, 2025): 31–45. Accessed October 12, 2025. http://journal-profesor.org/index.php/profesor/article/view/20.