Ike, C.C., Onwuakor, C.E., Akwari , D.K. and Nwokorie, C.C. 2019. Citric acid production by Aspergillus niger using banana and plantain peels. GSC Biological and Pharmaceutical Sciences. 8, 2 (Aug. 2019), 015–021. DOI:https://doi.org/10.30574/gscbps.2019.8.2.0111.