ELTAYIB, Zeinab EL Zubeir; ATIET ALLA, Eltoma. Environmental Awareness : Bacterial contamination of hand made beverage . Journal of Faculty of Education, [S. l.], v. 4, 2021. DOI: 10.53332/jfe.v4i.342. Disponível em: http://onlinejournals.uofk.edu/index.php/JFE/article/view/342. Acesso em: 4 oct. 2025.