Pengembangan Destinasi Wisata Bahari Berkelanjutan di Pulau Poncan Kota Sibolga. Jurnal Penelitian Ilmiah Multidisipliner , [S. l.], v. 3, n. 01, 2026. Disponível em: https://ojs.ruangpublikasi.com/index.php/jpim/article/view/1970.. Acesso em: 13 jun. 2026.