Sefia, L.E., Mujito, M. and Bahari, K. 2026. Hallucination Levels in Schizophrenia After Perceptual Stimulation Group Activity Therapy. Health Access Journal. 3, 3 (Oct. 2026), 226–233. DOI:https://doi.org/10.31290/haj.v3i3.6223.