Sangchen, J., S. Panacharoen, R. Taweephol, M. Boonmeesrisa-nga, and T. Chantuk. “The Influence of Intrinsic and Extrinsic Motivation on Visitors’ Decision to Attend the 30th National Book Fair: An Empirical Study”. RMUTP Journal of Business and Innovation Management, vol. 5, no. 1, June 2026, pp. 38-51, https://so06.tci-thaijo.org/index.php/RMUTP_JBI/article/view/294896.