Ananda Lubis, Fajar Rezeki, and Vina Winda Sari. “The Effect of Incentives and Work Stress on Employee Performance During the Covid-19 Pandemic at PTPN IV Plantation Land”. Jurnal Mantik 5, no. 4 (January 19, 2022): 2219-2223. Accessed April 29, 2026. https://www.iocscience.org/ejournal/index.php/mantik/article/view/1967.