Said, I. G., Abdelwahed, N. A., Awad, H. M., Shallan, M. A., El-Shahed, K. Y., & Abdel-Rahim, E. A. (2017). Enhancement of clavulanic acid production by Streptomyces sp MU-NRC77 via mutation and medium optimization. Tropical Journal of Pharmaceutical Research, 16(1), 31–42. https://doi.org/10.4314/tjpr.v16i1.5