Economic Valuation of Pasirpanjang Ecotourism in Lembeh Island. Jurnal Ilmiah PLATAX, [S. l.], v. 6, n. 2, p. 24–37, 2018. DOI: 10.35800/jip.6.2.2018.20597. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/platax/article/view/20597. Acesso em: 29 sep. 2026.