Nasya Damayanti, S. and Suroto 2026. The Effect of Workload and Job Stress on Employee Productivity at PT Nikato Visa Nusantara in South Jakarta. International Journal of Sustainable Applied Sciences. 4, 9 (Sep. 2026), 1077–1088. DOI:https://doi.org/10.59890/ijsas.v4i9.48.