Siregar, A. Z., and R. A. Sagala. “Toba Community Perceptions of Education, Tourism, Health, and Socio-Religious Issues in Lake Toba”. Buletin Pengabdian Multidisiplin, vol. 3, no. 1, July 2025, pp. 12-23, doi:10.62385/budimul.v3i1.118.