J. Purba, B. Fitrianto, and S. Nurhayati, “Legal Framework for the Role of Village Officials in Preserving Local Cultural Wisdom Values: Study of Nagori Tongah, Purba District, Simalungun Regency)(Study of Nagori Tongah, Purba District, Simalungun Regency”, JSIM, vol. 6, no. 4, pp. 1027–1035, Oct. 2025.