Effects of Recreational Camping on the Environmental Values of National Parks in Sri Lanka. Tropical Life Sciences Research, [S. l.], v. 32, n. 3, p. 119–145, 2021. DOI: 10.21315/tlsr2021.32.3.7. Disponível em: https://ejournal.usm.my/tlsr/article/view/tlsr_vol32-no-3-2021_7.. Acesso em: 20 may. 2024.