Abubakar, salisu et al. 2017. Bioprospective potentials of endophytic fungi penicillium SPP isolated from leaves of azadirachta indica (A. JUSS). International Journal of Biological Research. 5, 1 (Feb. 2017), 15–21. DOI:https://doi.org/10.14419/ijbr.v5i1.6069.