Patern of Worker Fatigue for Standing Position of Shopkeeper. Tibuana : Journal of Applied Industrial Engineering, [S. l.], v. 4, n. 01, p. 61–64, 2021. DOI: 10.36456/tibuana.4.01.3180.61-64. Disponível em: https://jurnal.unipasby.ac.id/tibuana/article/view/3180. Acesso em: 29 jul. 2026.