1. Biotechnological production of citric acid;Max;Braz. J. Microbiol.,2010
2. Citric acid production fermentation process;Patel;IJARIIE,2017
3. Microbial production of citric acid;Vandenberghe;Braz. Arch. Biol. Technol.,1999
4. The citric acid fermentation of A. niger;Currie;J. Biol. Chem.,1917
5. An overview of the genus aspergillus (PDF);Bennett,2010