Sakvanichkul, P. . l, & Jaroenwisan, K. . (2020). A Study of the Efficiency of Logistic Services in Machine Tools and Metalworking Technology Exhibition. Dusit Thani College Journal, 14(2), 290–306. Retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/243437