Iikasha, Albertina M., H. Eiman, and Davis R. Mumbengegwi. “An Investigation into the Antibacterial Activity of Pigmented Secondary Metabolites Isolated from Streptomyces from Windhoek Soil”. International Science and Technology Journal of Namibia (March 7, 2018): 068–081. Accessed December 4, 2024. https://journals.unam.edu.na/index.php/ISTJN/article/view/1217.