Chintalapudi, V. K., S.L. Kanamarlapudi, R. K., Mallu, U. R., & Muddada, S. (2020). Enhanced Biosorption of Pb(II) Ions from Aqueous Solutions onto Citric Acid Treated Aspergillus niger Biomass: Equilibrium and Kinetic Studies. Asian Journal of Chemistry, 32(3), 508–514. https://doi.org/10.14233/ajchem.2020.22346