SITI HAJAR. Tourism Development Policy Through Economic Potential in Supporting Tourism and Creative Economy Programs in the Lake Toba Region. International Journal of Health, Economics, and Social Sciences (IJHESS), [S. l.], v. 4, n. 1, p. 18–30, 2022. DOI: 10.56338/ijhess.v4i1.2160. Disponível em: https://jurnal.unismuhpalu.ac.id/index.php/IJHESS/article/view/2160. Acesso em: 22 sep. 2026.