Mephokee C, Roopsom T, Klinsukhon C. Development of Trade and Investment Cooperation in Greater Mekong Sub-region: Thailand, Lao PDR, Vietnam, and Cambodia. Thai J East Asian Stud [internet]. 2015 Mar. 1 [cited 2025 Dec. 10];19(2):1-23. available from: https://so02.tci-thaijo.org/index.php/easttu/article/view/50397