Abdul Rauf and  Muhammad Irfan and  Muhammad Nadeem and  Ishtiaq Ahmed and Hafiz Muhammad Nasir Iqbal,  Optimization of Growth Conditions for Acidic Protease Production from Rhizopus oligosporus through Solid State Fermentation of Sunflower Meal.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 27 September 2020]. Available from: https://publications.waset.org/pdf/12762.