PENGARUH ETIKA KERJA, STRES KERJA, DAN PENGALAMAN KERJA TERHADAP KINERJA KARYAWAN PADA PT. PERKEBUNAN NUSANTARA IV REGIONAL II KEBUN PADANG MATINGGI KABUPATEN SIMALUNGUN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 1, p. 439–448, 2026. DOI: 10.54314/jssr.v9i1.5797. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/5797.. Acesso em: 2 may. 2026.