Seehawi, T. “Royal Sponsored Funeral Service After Establishing Service Sectors at the Provincial Level : A Case of Khon Kaen Province”. Journal of Graduate MCU KhonKaen Campus, vol. 9, no. 4, Dec. 2022, pp. 158-6, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/257618.