Wuttipan, C., K. Kaewnuch, and W. Chaimongkol. “International Tourist’ Perceived Value in Food Tourism Services: Street Food in Bangkok, Thailand”. Dusit Thani College Journal, vol. 13, no. 3, Apr. 2020, pp. 109-26, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241100.