OMUWA, W.J. et al. 2026. Evaluation of Nutrient and Heavy Metal Concentrations in Aquaculture Wastewater and Aquatic Macrophytes (Eichhornia crassipes and Pistia stratiotes) before Phytoremediation . Journal of Science, Technology and Innovation Research. 2, 1 (May 2026). DOI:https://doi.org/10.51459/jostir.2026.2.1.0184.