Kodrat, Kimberly Febrina. “Evaluasi Beban Kerja Manual (Studi Kasus UD Sumber Makmur Medan)”. Jurnal Teknik Industri 14, no. 2 (June 27, 2014): 186–191. Accessed July 4, 2024. https://ejournal.umm.ac.id/index.php/industri/article/view/1875.