ENDALEW, B.; TASSIE, K.; AYALEW, Z. Non-Market Measurement Techniques of Willingness to Pay, the Case of Environmental Resources: A Review. Journal of Agriculture and Environmental Sciences, [S. l.], v. 3, n. 2, 2019. DOI: 10.20372/jaes.v3i2.196. Disponível em: https://journals.bdu.edu.et/index.php/jaes/article/view/196. Acesso em: 29 jan. 2026.