KHON, S.; SEENPRACHAWONG, U. The Public Demand for a Dengue Fever Vaccine: A Contingent Valuation Survey in Phnom Penh, Cambodia. International Journal of Economics and Financial Issues, [S. l.], v. 10, n. 6, p. 129–138, 2020. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/10426. Acesso em: 20 may. 2022.