Sibagariang, E.E. et al. 2026. Occupational stress and fatigue as risk factors for hypertension among employees at PT. Perkebunan Milano, Kebun Sei Daun. Buletin Kedokteran & Kesehatan Prima. 5, 2 (Jun. 2026), 152–156. DOI:https://doi.org/10.34012/bkkp.v5i2.8440.