Tibadee Tanhakorn ท. ท., and Phitak Siriwong พ. ศ. “Variety Travel’s Practice Guidelines for A Tourism Radio Host”. Dusit Thani College Journal, vol. 11, no. special, July 2018, pp. 109-23, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/136023.