“Hubungan Kelelahan Terhadap Kinerja Supir Dump Truck”. Psikoborneo: Jurnal Ilmiah Psikologi 5, no. 1 (March 15, 2017). Accessed October 6, 2026. https://e-journals.unmul.ac.id/index.php/psikoneo/article/view/4343.