Households’ willingness to pay for the services of watershed management in lake Hawassa watershed, southern Ethiopia. Journal of Forestry and Natural Resources, [S. l.], v. 1, n. 1, p. 25–41, 2022. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/jfnr/article/view/168.. Acesso em: 4 jul. 2025.