Dina R. Purba et al. 2026. THE EFFECT OF CELERY LEAF EXTRACT (APIUM GRAVEOLENS L.) ON TNF-Α, IL-6 AND MDA LEVELS IN HYPERPIGMENTED WISTAR RATS (RATTUS NOVERGIUS SP.). Multidiciplinary Output Research For Actual and International Issue (MORFAI). 6, 3 (Feb. 2026), 3470–3479.