RAVADCHAI, N.; SUNGSITTHISAWAD, W. Factors affecting of drinking water quality of vending machine. Asia-Pacific Journal of Science and Technology, [S. l.], v. 17, n. 3, p. 480–492, 2017. Disponível em: https://so01.tci-thaijo.org/index.php/APST/article/view/83261. Acesso em: 2 sep. 2026.