Khon S, Seenprachawong U. The Public Demand for a Dengue Fever Vaccine: A Contingent Valuation Survey in Phnom Penh, Cambodia. IJEFI [Internet]. 2020 Nov. 5 [cited 2024 Apr. 19];10(6):129-38. Available from: https://www.econjournals.com/index.php/ijefi/article/view/10426