Khon, S. and Seenprachawong, U. (2020) “The Public Demand for a Dengue Fever Vaccine: A Contingent Valuation Survey in Phnom Penh, Cambodia”, International Journal of Economics and Financial Issues, 10(6), pp. 129–138. Available at: https://www.econjournals.com/index.php/ijefi/article/view/10426 (Accessed: 26 April 2024).