Jamjuree, P., D. . Nunklam, and K. . Nuthongkaew. “ NAKHON SI THAMMARAT PROVINCE”. Journal of MCU Nakhondhat, vol. 9, no. 5, May 2022, pp. 331-42, https://so03.tci-thaijo.org/index.php/JMND/article/view/261268.