Mongkhonvanit, C., C. Phraikaew, and P. Kanokvalaiwan. “Key Factors Influencing Thai Customers Decision in Choosing Buffet Service in a Hotel”. Journal of Cultural Approach, vol. 21, no. 39, Mar. 2020, pp. 81-95, https://so02.tci-thaijo.org/index.php/cultural_approach/article/view/236376.