C. I. Akagha, V. I. E. Ajiwe, P. A. C. Okoye, C. O. Alisa and A. U. Nkwoada. Investigating of the Aba River Contamination Using Eichhornia crassipes as Bio-indicator . CASTR-V2 [Internet]. 2021 May 19 [cited 2026 Jun. 4];:97-105. Available from: https://stm.bookpi.org/CASTR-V2/article/view/1218