Hayder Khaleel Qurban Ali. (2012). Optimization of citric acid production by Aspergillus niger on paddy straw. School of Bioproses Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. Kangar Perlis: School of Bioproses Engineering, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. School of Bioproses Engineering, 2012.
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