Households’ willingness to pay for the services of watershed management in lake Hawassa watershed, southern Ethiopia. J.for.nat.resour (JFNR) [Internet]. 2022 Feb. 15 [cited 2025 Jul. 4];1(1):25-41. Available from: https://journals.hu.edu.et/hu-journals/index.php/jfnr/article/view/168