Lubis, Siti Rahmah, AND 		Mu’minah, Nuranisa.
" Analisa Kelelahan Kerja Berdasarkan Dimensi Swedish Occupational Fatigue Index (SOFI) Pada Pekerja Produksi" <em>Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic)</em> [Online], Volume 8 Number 2 (6 January 2023)