Kennedy, Posma Sariguna Johnson. “Sosialisasi Peranan Generasi Muda Dalam Pariwisata Danau Toba Kepada Siswa SMKN1 Simanindo”. INCOME: Indonesian Journal of Community Service and Engagement 2, no. 3 (September 20, 2023): 237–246. Diakses Oktober 3, 2025. https://journals.eduped.org/index.php/income/article/view/717.