Mouhammed Basheer Ismaeel et al. 2023. Effect of add different carbon and nitrogen source on the pullulan polysaccharide production from fungus Aureobasidium pullulans. Tikrit Journal of Pure Science. 21, 5 (Feb. 2023), 67–71. DOI:https://doi.org/10.25130/tjps.v21i5.1030.