“Analysis of Factors Associated With Work Fatigue of Maintenance Workshop Workers at PTPN XIV Nusantara Camming Sugar Factory”. International Journal of Advanced Technology and Social Sciences (IJATSS), vol. 2, no. 2, Aug. 2024, pp. 243-54, https://www.penerbitjurnalinternasional.com/index.php/ijatss/article/view/252.