Tiasa Pohan and Risandi Mulia 2023. Marketing Mix Relationship with Patients’ Re-Visit Interest of Out Patient in Internal Polyclinic at Gunungtua Hospital. International Journal of Public Health Excellence (IJPHE). 3, 1 (Aug. 2023), 128–133. DOI:https://doi.org/10.55299/ijphe.v3i1.534.