Boonyamalik, P., and T. Maneewat. “Trends in Financial Management of the Hospital under the Office of the Permanent Secretary, Ministry of Public Health: A Qualitative Study”. Journal of Health Systems Research, vol. 15, no. 4, Dec. 2021, pp. 477-89, https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3305.