SANDHYA. A, and SUVARNALATHA DEVI. P. “Extracellular Biosynthesis and Characterization of Gold Nanoparticles Using Penicillium SPS and Studies on Antimicrobial Activity”. International Journal of Pharma and Bio Sciences 8, no. 3 (September 30, 2017): 1026–1032. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/6165.