ANALISIS KETERAMPILAN DAN KESEHATAN TERHADAP PRODUKTIVITAS TENAGA KERJA PTPN II SEI SEMAYANG. JSSR [Internet]. 2024 Nov. 11 [cited 2026 Apr. 14];7(4):1933-42. Available from: https://jurnal.goretanpena.com/index.php/JSSR/article/view/2309