JAMALUDIN, J.; MIZUNO, K.; RIZAL, R. Economic Valuation of the Klapanunggal Karst Region Using the Travel Cost Method. Jurnal Kepariwisataan Indonesia: Jurnal Penelitian dan Pengembangan Kepariwisataan Indonesia, [S. l.], v. 18, n. 1, p. 41–60, 2024. DOI: 10.47608/jki.v18i12024.41-60. Disponível em: https://ejournal.kemenpar.go.id/index.php/jki/article/view/1003. Acesso em: 21 mar. 2026.