Odu, N., Uzah, G. and Akani, N. (2020) “Optimization of Citric Acid Production by Aspergillus niger and Candida tropicalis for Solid State Fermentation Using Banana Peel Substrate”, Journal of Life and Bio Sciences Research , 1(02), pp. 51 - 60. doi: 10.38094/jlbsr1214.