Yushar Tanjung et al. 2026. Traces of the History of Multiculturalism in the City of Medan: Ethnic Interaction and the Formation of City Identity. Jurnal Ragam Pengabdian. 3, 1 (Spesial Issue) (Apr. 2026), 5088–5097. DOI:https://doi.org/10.62710/xxp7x997.