CHU-ONGSAKUL, S. Microeconomic Considerations for A National Health Insurance Policy: "Thirty Bat Copayment for All". Siriraj Medical Journal, [S. l.], v. 53, n. 1, p. 43–45, 2001. Disponível em: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/264998. Acesso em: 1 oct. 2026.