AMPANTHONG, P. Model Analysis of Air Pollution in Bangkok by Grey’s Theory. Recent Science and Technology, Songkhla, Thailand, v. 13, n. 2, p. 454–466, 2021. Disponível em: https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/230117. Acesso em: 11 oct. 2026.