Karina F.S, Beby, Anitha Paulina Tinambunan, Kornel Munthe, Donalson Silalahi, and Miska Irani Tarigan. “Domestic Tourist Interest in Lake Toba Tourism Area Destinations”. Kontigensi : Jurnal Ilmiah Manajemen 11, no. 1 (June 4, 2023): 77-85. Accessed May 18, 2024. https://jurnal.dim-unpas.web.id/index.php/JIMK/article/view/319.