Li, F., Zhao, C., Li, K., Yue, Q., Su, L., Li, B., Sun, X., Li, H., Yang, S., Sun, L., & Zhao, L. (2024). The Effect of Polyglutamic Acid Produced from Glutamic Acid Wastewater on Maize Growth . Scientific Journal of Technology, 6(1), 24-28. https://doi.org/10.54691/pp7wrp96