2026. Analyzing the Relationship Between Online Patient Registration System Implementation, Service Effectiveness, and Patient Satisfaction at Drs. H. Amri Tambunan Regional General Hospital. JURNAL KESMAS DAN GIZI (JKG). 9, 1 (Oct. 2026), 90–98. DOI:https://doi.org/10.35451/jkg.v9i1.3645.