F. E. Lumban Raja, R. M. Lumbantobing, C. J. Tamba, P. S. Pangestu, S. Supsiloani, and T. Rambe, “Customary System Regarding Village Head Leadership In Huta Toruan 1”, ISIHUMOR, vol. 4, no. 4, pp. 1650–1660, Oct. 2026.