Ikhsanudin, A. ., E. Rosa, and C. N. Ekowati. “Proteolytic Activity of The Entomopathogenic Fungi (Penicillium Sp. ) of Cockroaches (Periplaneta Americana)”. Jurnal Ilmiah Biologi Eksperimen Dan Keanekaragaman Hayati (J-BEKH), vol. 6, no. 2, Dec. 2019, pp. 81-84, doi:10.23960/jbekh.v6i2.47.