FATHI, N. Study the ability of some gram positive bacillus species isolated from powdered infant milk to produce toxin. Journal of Education and Science (JES), [S. l.], v. 27, n. 4, p. 99–114, 2018. DOI: 10.33899/edusj.2018.159300. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23789. Acesso em: 6 aug. 2025.