Pratumtong P, Oungkanussorn W, Prasertsang C. A Study of ASEAN Economic Community Effect on the Nong Khai FDA Checkpoint Operation. TFDJ [Internet]. 2020 Mar. 18 [cited 2024 Apr. 28];27(1):93-100. Available from: https://he01.tci-thaijo.org/index.php/fdajournal/article/view/240489