BUNTORNWON , T.; PHAKDEEYING, R. A Study of environmental conservation factors of water bottles’ consumers in Khon Kaen Province. Journal of Modern Learning Development, [S. l.], v. 7, n. 7, p. 131–142, 2022. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/256879. Acesso em: 1 oct. 2026.