P. Ngokchaiyaphum, T. Thongyou, R. Taweephol, M. Boonmeesrisa-nga, and T. Chantuk, “Motivational Factors Influencing Attendance at the Opening and Closing Ceremonies of the 33rd SEA Games in Thailand: Applying the 4Es Framework”, Dusit Thani College J, vol. 20, no. 2, pp. 111–124, Aug. 2026.