Wittayarotwong, S. and Chomtohsuwan, T. (2021) “Financial Feasibility Study of Investment in Customs Tracking System through e-Lock Technology in Customs Free Zone”, Economics and Business Administration Journal Thaksin University. Songkhla, Thailand, 13(2), pp. 35–60. Available at: https://so01.tci-thaijo.org/index.php/ecbatsu/article/view/244285 (Accessed: 6 May 2024).