อัตไพบูลย์ ภ. Economic Linkages among Border Provinces in the South of the Lower Northeastern Region. Pitchayatat [Internet]. 2020 Aug. 26 [cited 2024 May 4];15(2):125-37. Available from: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/229701