S. . Sriboonchitta, C. . Chaiboonsri, . P. . Chaitip, A. Chaitip, S. . Kovács, and P. Balogh, “An investigation on the international tourists’ expenditures in Thailand: a modelling approach”, APSTRACT, vol. 7, no. 1, pp. 15–18, Mar. 2013, doi: 10.19041/APSTRACT/2013/1/2.