Situmorang, Benri. “Influence of Out Patient Registration Services on Patient Satisfaction in F.L. Tobing Hospital City of Sibolga In 2021 - A Cross-Sectional Study of Tertiary Hospitals in Sibolga”. Science Midwifery 10, no. 2 (May 15, 2022): 1048–1053. Accessed June 6, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/436.