Kumjorn, Putthasak, Kammalanon Choprukchan, Pornnatcha Opthom, and Thanmika Silong. “Influences of Content Marketing on Tourism Decisions Making in Khon Kaen Province”. Research and Development Journal, Loei Rajabhat University 19, no. 68 (July 2, 2024): 42–51. accessed April 16, 2025. https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/269253.