THAPA, K. Estimating Recreational Economic Value of Langtang National Park, Nepal. Bhutan Journal of Natural Resources and Development, [S. l.], v. 3, n. 1, p. 25–31, 2023. DOI: 10.17102/bjnrd.v3i1.15. Disponível em: https://www.bjnrd.org/index.php/bjnrd/article/view/15. Acesso em: 26 jun. 2025.