Kingphuang, P. (2023) “The Study of Institutional and Political System Factors Affecting Changes in Educational Public Expenditure from 1998 to 2019”, King Prajadhipok’s Institute Journal, 21(1), pp. 59–85. available at: https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/262222 (accessed: 13 October 2026).