Uday Bhatnagar อ. บ. “Analysing the Effect of Tripadvisor on Reservation Intention of Hotels for Travellers from New Delhi, India”. Dusit Thani College Journal, vol. 12, no. 1, Apr. 2018, pp. 30-49, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/117902.