GRAVITIANI, E.; RATNADEWATI, A.; JUWITA, A. H. Economic and preference mapping for sustainable heritage tourism: A contingent valuation method and Tree Viewers Approach. Heritage and Sustainable Development, [S. l.], v. 8, n. 1, p. 709–720, 2026. DOI: 10.37868/hsd.v8i1.1567. Disponível em: https://hsd.ardascience.com/index.php/journal/article/view/1567. Acesso em: 1 jun. 2026.