Sebayang, V., A. Surbakti, and T. Naiborhu. “Erpangir Ku Lau Ritual: Between Religion and Identity”. International Journal of Interreligious and Intercultural Studies, Vol. 5, no. 1, June 2022, pp. 53-58, doi:10.32795/ijiis.vol5.iss1.2022.2849.