Sariguna Johnson Kennedy, Posma, and Rutman Lumbantoruan. “Pelatihan Tentang Hospitality Kepada Kelompok Sadar Wisata Danau Toba Di Kabupaten Samosir Sumatera Utara ”. IKRA-ITH ABDIMAS 8, no. 2 (June 10, 2024): 83-90. Accessed June 13, 2026. https://journals.upi-yai.ac.id/index.php/IKRAITH-ABDIMAS/article/view/3149.