Zonna Sembiring, Ary, Winna Sarikusumaningtyas, and Sumardi. “PENGARUH DISIPLIN DAN KESELAMATAN KERJA TERHADAP PRODUKTIVITAS KARYAWAN DI PT NHCH”. Didaktik : Jurnal Ilmiah PGSD STKIP Subang 12, no. 03 (September 23, 2026): 429 - 435. Accessed October 17, 2026. https://www.journal.stkipsubang.ac.id/index.php/didaktik/article/view/19013.