Taweesuk, P. . “The Structural Equation Model of Causal Factor Influencing Attitudes for Using Self-Checkout Machine in Modern Trade in Bangkok”. Journal of Humanities and Social Sciences Thonburi University, vol. 17, no. 1, Dec. 2022, pp. 171-83, https://so03.tci-thaijo.org/index.php/trujournal/article/view/262588.