Nitinattrakul, N. and Lalitaporn, P. . (2023) “Study the change in air pollution after the COVID-19 outbreak in Thailand”, Engineering and Applied Science Research, 50(2), pp. 137–148. Available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/250933 (Accessed: 12 May 2024).