“Working-Posture Analysis on Workers at Bagging Sector of Urea Fertilizer I in PT Pupuk Sriwidjaja Palembang”. Jurnal Ergonomi Dan K3, vol. 6, no. 2, November 2021, https://jurnalergonomik3.ti.itb.ac.id/index.php/ergonomik3/article/view/216.