suwanmekha araya. Problems and Obstacles of Policies Addressing PM2.5 Pollution in Thailand. THAI. SOC. SCI. J. [internet]. 2025 Apr. 22 [cited 2025 Sep. 15];2(1):1-12. available from: https://so18.tci-thaijo.org/index.php/Thaiso/article/view/926