Krueathep, W. “Analyses and Alternatives for Determining the Size of Local Government’s Contingency Funds: A Case Study of Nonthaburi Province”. Journal of Social Sciences Naresuan University, vol. 15, no. 1, July 2019, pp. 15_191-215, https://so04.tci-thaijo.org/index.php/jssnu/article/view/201363.