LI, Fujia et al. The Effect of Polyglutamic Acid Produced from Glutamic Acid Wastewater on Maize Growth . Scientific Journal of Technology, [S. l.], v. 6, n. 1, p. 24–28, 2024. DOI: 10.54691/pp7wrp96. Disponível em: https://sjtechnology.org/index.php/ojs/article/view/469. Acesso em: 1 aug. 2026.