“ Effect of Carbon and Nitrogen Sources on the Antibioticproduction by Local Isolate of Streptomyce S sp.Zl”. Tikrit Journal of Pharmaceutical Sciences 4, no. 1 (April 11, 2023): 19–28. Accessed June 5, 2026. https://tjphs.tu.edu.iq/index.php/j/article/view/115.