Hayder Khaleel Qurban Ali. (2012). Optimization of citric acid production by Aspergillus niger on paddy straw. School of Bioproses Engineering.
Chicago-referens (17:e uppl.)Hayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. Kangar Perlis: School of Bioproses Engineering, 2012.
MLA-referens (8:e uppl.)Hayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. School of Bioproses Engineering, 2012.
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