HUSMAINI, R.; NURMAINI, N.; SALMAH, U. THE EFFECT OF OCCUPATIONAL ENVIRONMENTAL FACTORS ON ELEVATED BLOOD PRESSURE AMONG WORKERS IN A PALM OIL MILL: A CASE STUDY AT PT. X, LANGKAT REGENCY. International Journal of Health, Education & Social (IJHES), v. 8, n. 6, p. 122-135, 30 Jun. 2025.