RUFENER, S.; MÄUSEZAHL, D.; MOSLER, H.-J.; WEINGARTNER, R. Quality of Drinking-water at Source and Point-of-consumption - Drinking Cup As a High Potential Recontamination Risk: A Field Study in Bolivia. Journal of Health, Population and Nutrition, [S. l.], v. 28, n. 1, p. 34–41, 2010. DOI: 10.3329/jhpn.v28i1.4521. Disponível em: https://www.banglajol.info/index.php/JHPN/article/view/4521. Acesso em: 4 jul. 2022.