Jackly J. Tumangkeng, Z. Hidayat. “Communicating Natural and Cultural Tourism Destination of North Sulawesi As an Identity”. Annals of the Romanian Society for Cell Biology (May 16, 2021): 4507–4521. Accessed September 14, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/5541.