MESRA B, FITRI YANI PANGGABEAN, YANA DIANA. Green Tourism Model in Developing Sustainable Tourism in Lake Toba Super Priority. International Journal of Special Education, [S. l.], v. 41, n. 5s, p. 373–385, 2026. Disponível em: https://internationalsped.com/index.php/ijse/article/view/2979. Acesso em: 23 sep. 2026.