JUDE , Okpalla. Extracellular Methionine Production by Submerged Fermentation in Shake Flasks using Bacteria Isolated From the Soil . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 3, n. 1, p. Pg 138–142, 2016. Disponível em: https://ajest.org/index.php/ajest/article/view/550. Acesso em: 3 apr. 2026.