ECONOMIC VALUATION USING TRAVEL COST METHOD (TCM) IN KILIM KARST GEOFOREST PARK, LANGKAWI, MALAYSIA. JOURNAL OF TROPICAL FOREST SCIENCE, [S. l.], v. 31, n. 1, p. 078–089, 2019. DOI: 10.26525/jtfs2019.31.1.078089. Disponível em: https://jtfs.frim.gov.my/jtfs/article/view/175. Acesso em: 12 oct. 2025.