C. I. Akagha, V. I. E. Ajiwe, P. A. C. Okoye, C. O. Alisa, & A. U. Nkwoada. (2021). Investigating of the Aba River Contamination Using Eichhornia crassipes as Bio-indicator . Current Approaches in Science and Technology Research Vol. 2, 97–105. https://doi.org/10.9734/bpi/castr/v2/154