Willingness to Pay for Conservation of the Rong Por’s Community Forest in Phayao Province. International Journal on Engineering, Science and Technology, [S. l.], v. 2, n. 2, p. 70–76, 2021. Disponível em: https://ijonest.net/index.php/ijonest/article/view/16. Acesso em: 11 jul. 2025.