H. Abdull Wahaab, Marwa. “Determination the Optimum Conditions for Antibiotics Production from Streptomyces Albus That Locally Isolated”. Tikrit Journal of Pharmaceutical Sciences, vol. 14, no. 1, Apr. 2023, pp. 29-40, doi:10.25130/tjphs.2019.14.1.4.29.40.