Syafriana, Vilya, Sukma Nuswantara, Wibowo Mangunwardoyo, and Puspita Lisdiyanti. 2014. “Enhancement of β-Glucosidase Activity in Penicillium sp. By Random Mutation With Ultraviolet and Ethyl Methyl Sulfonate”. Annales Bogorienses 18 (2):27-33. https://doi.org/10.14203/ann.bogor.2014.v18.n2.27-33.