Jakkrapun Kongtana. “The Structural Equation Model of Causal Factors Affecting on The Customer Satisfaction Level to Transportation Providers of Fruits in Thailand”. CEMJP, vol. 30, no. 3, Aug. 2022, pp. 244-51, http://journals.kozminski.cem-j.org/index.php/pl_cemj/article/view/123.