Reynols, Chon Cho, and Elcy Handayani Pramita. “Effect of Workload and Work Supervision on the Working Environment at PT. Image of Hannochs Niagantara Medan”. Jurnal Mantik 6, no. 2 (August 22, 2022): 2518-2526. Accessed July 27, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/2831.